CVE-2026-86320 (GCVE-0-2026-86320)
Vulnerability from cvelistv5
Published
2026-09-17 07:27
Modified
2026-10-28 18:49
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Summary
A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on the host during the build process, resulting in arbitrary code execution with the privileges of the user running flatpak-builder.
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:1.4.4-1.el10_2.1   < *
    cpe:/o:redhat:enterprise_linux:10.2
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Unaffected: 0:1.4.4-1.el10_0.1   < *
    cpe:/o:redhat:enterprise_linux_eus:10.0
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.2.3-2.el8_10   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:1.0.9-4.el8_6   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Unaffected: 0:1.0.9-4.el8_6   < *
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_eus_long_life:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:1.0.14-3.el8_8   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:1.0.14-3.el8_8   < *
    cpe:/a:redhat:rhel_e4s:8.8::appstream
    cpe:/a:redhat:rhel_tus:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.2.3-1.el9_8.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:1.2.2-2.el9_2   < *
    cpe:/a:redhat:rhel_e4s:9.2::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Unaffected: 0:1.2.3-2.el9_4   < *
    cpe:/a:redhat:rhel_e4s:9.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Unaffected: 0:1.2.3-1.el9_6.1   < *
    cpe:/a:redhat:rhel_eus:9.6::appstream
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-86320",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-17T15:42:59.014535Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-17T15:54:25.151Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2471023"
          },
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/flatpak/flatpak-builder/security/advisories/GHSA-j5p8-jgjc-f3xv"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.2"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.4.4-1.el10_2.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux_eus:10.0"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.4.4-1.el10_0.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.2.3-2.el8_10",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.0.9-4.el8_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.0.9-4.el8_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.8::appstream",
            "cpe:/a:redhat:rhel_tus:8.8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.0.14-3.el8_8",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.8::appstream",
            "cpe:/a:redhat:rhel_tus:8.8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.0.14-3.el8_8",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.2.3-1.el9_8.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.2::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.2.2-2.el9_2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.2.3-2.el9_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "flatpak-builder",
          "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.2.3-1.el9_6.1",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Red Hat would like to thank AISLE Research for reporting this issue."
        }
      ],
      "datePublic": "2026-08-13T14:32:20.714Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on the host during the build process, resulting in arbitrary code execution with the privileges of the user running flatpak-builder."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T18:49:08.276Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2026:80495",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:80495"
        },
        {
          "name": "RHSA-2026:80496",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:80496"
        },
        {
          "name": "RHSA-2026:80973",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:80973"
        },
        {
          "name": "RHSA-2026:84832",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:84832"
        },
        {
          "name": "RHSA-2026:84833",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:84833"
        },
        {
          "name": "RHSA-2026:84834",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:84834"
        },
        {
          "name": "RHSA-2026:84842",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:84842"
        },
        {
          "name": "RHSA-2026:86714",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:86714"
        },
        {
          "name": "RHSA-2026:90896",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2026:90896"
        },
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2026-86320"
        },
        {
          "name": "RHBZ#2471023",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2471023"
        },
        {
          "url": "https://github.com/flatpak/flatpak-builder/security/advisories/GHSA-j5p8-jgjc-f3xv"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-11T20:27:44.000Z",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2026-08-13T14:32:20.714Z",
          "value": "Made public."
        }
      ],
      "title": "Flatpak-builder: host code execution via `git am` hook execution in patch source extraction (`use-git-am`)",
      "workarounds": [
        {
          "lang": "en",
          "value": "Avoid using use-git-am: true when processing untrusted manifests or source material. Where untrusted builds are required, perform builds inside disposable virtual machines or other isolated environments."
        }
      ],
      "x_generator": {
        "engine": "cvelib 1.8.0"
      },
      "x_redhatCweChain": "CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2026-86320",
    "datePublished": "2026-09-17T07:27:33.167Z",
    "dateReserved": "2026-09-07T05:35:25.012Z",
    "dateUpdated": "2026-10-28T18:49:08.276Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-86320\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-17T15:42:59.014535Z\"}}}], \"references\": [{\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2471023\", \"tags\": [\"exploit\"]}, {\"url\": \"https://github.com/flatpak/flatpak-builder/security/advisories/GHSA-j5p8-jgjc-f3xv\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-17T15:42:29.021Z\"}}], \"cna\": {\"title\": \"Flatpak-builder: host code execution via `git am` hook execution in patch source extraction (`use-git-am`)\", \"credits\": [{\"lang\": \"en\", \"value\": \"Red Hat would like to thank AISLE Research for reporting this issue.\"}], \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Important\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"cpes\": [\"cpe:/o:redhat:enterprise_linux:10.2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 10\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.4.4-1.el10_2.1\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux_eus:10.0\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 10.0 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.4.4-1.el10_0.1\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.2.3-2.el8_10\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.8::appstream\", \"cpe:/a:redhat:rhel_tus:8.8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.8 Telecommunications Update Service\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.0.14-3.el8_8\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.8::appstream\", \"cpe:/a:redhat:rhel_tus:8.8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.0.14-3.el8_8\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.2.3-1.el9_8.1\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.2::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.2.2-2.el9_2\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.2.3-2.el9_4\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.6 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.2.3-1.el9_6.1\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"flatpak-builder\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-05-11T20:27:44.000Z\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2026-08-13T14:32:20.714Z\", \"value\": \"Made public.\"}], \"datePublic\": \"2026-08-13T14:32:20.714Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2026:80495\", \"name\": \"RHSA-2026:80495\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:80496\", \"name\": \"RHSA-2026:80496\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:80973\", \"name\": \"RHSA-2026:80973\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:84832\", \"name\": \"RHSA-2026:84832\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:84833\", \"name\": \"RHSA-2026:84833\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:84834\", \"name\": \"RHSA-2026:84834\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:84842\", \"name\": \"RHSA-2026:84842\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:86714\", \"name\": \"RHSA-2026:86714\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2026-86320\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2471023\", \"name\": \"RHBZ#2471023\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://github.com/flatpak/flatpak-builder/security/advisories/GHSA-j5p8-jgjc-f3xv\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Avoid using use-git-am: true when processing untrusted manifests or source material. Where untrusted builds are required, perform builds inside disposable virtual machines or other isolated environments.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on the host during the build process, resulting in arbitrary code execution with the privileges of the user running flatpak-builder.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-10-21T11:21:31.111Z\"}, \"x_redhatCweChain\": \"CWE-94: Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-86320\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-21T11:21:31.111Z\", \"dateReserved\": \"2026-09-07T05:35:25.012Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-09-17T07:27:33.167Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…