cvelistv5 - cve-2026-6896

CVE-2026-6896 (GCVE-0-2026-6896)

Vulnerability from cvelistv5

Published

2026-07-08 20:46

Modified

2026-07-09 14:13

Severity ?

8.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Summary

GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

References

URL

Tags

	https://gitlab.com/gitlab-org/gitlab/-/work_items/597887
	https://hackerone.com/reports/3682085	technical-description, exploit, permissions-required
	https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/

Impacted products

	Vendor	Product	Version
	GitLab	GitLab	Version: 13.11 ≤ Version: 19.0 ≤ Version: 19.1 ≤ cpe:2.3:a:gitlab:gitlab::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-6896",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-09T14:13:44.236024Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-09T14:13:51.367Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "18.11.7",
              "status": "affected",
              "version": "13.11",
              "versionType": "semver"
            },
            {
              "lessThan": "19.0.4",
              "status": "affected",
              "version": "19.0",
              "versionType": "semver"
            },
            {
              "lessThan": "19.1.2",
              "status": "affected",
              "version": "19.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user\u0027s browser session due to improper sanitization of user-supplied input."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T20:46:38.858Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/597887"
        },
        {
          "name": "HackerOne Bug Bounty Report #3682085",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3682085"
        },
        {
          "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 18.11.7, 19.0.4, 19.1.2 or above."
        }
      ],
      "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-6896",
    "datePublished": "2026-07-08T20:46:38.858Z",
    "dateReserved": "2026-04-23T05:33:12.333Z",
    "dateUpdated": "2026-07-09T14:13:51.367Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"], \"repo\": \"git://git@gitlab.com:gitlab-org/gitlab.git\", \"vendor\": \"GitLab\", \"product\": \"GitLab\", \"versions\": [{\"status\": \"affected\", \"version\": \"13.11\", \"lessThan\": \"18.11.7\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"19.0\", \"lessThan\": \"19.0.4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"19.1\", \"lessThan\": \"19.1.2\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to versions 18.11.7, 19.0.4, 19.1.2 or above.\"}], \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/work_items/597887\"}, {\"url\": \"https://hackerone.com/reports/3682085\", \"name\": \"HackerOne Bug Bounty Report #3682085\", \"tags\": [\"technical-description\", \"exploit\", \"permissions-required\"]}, {\"url\": \"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user\u0027s browser session due to improper sanitization of user-supplied input.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2026-07-08T20:46:38.858Z\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-6896\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-09T14:13:44.236024Z\"}}}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-07-09T14:13:47.817Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-6896\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-08T20:46:38.858Z\", \"dateReserved\": \"2026-04-23T05:33:12.333Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2026-07-08T20:46:38.858Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

CERTFR-2026-AVI-0850

Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans GitLab. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une injection de code indirecte à distance (XSS) et un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
GitLab	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)	GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.0.x antérieures à 19.0.4
GitLab	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)	GitLab Community Edition (CE) et Enterprise Edition (EE) versions antérieures à 18.11.7
GitLab	GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)	GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.1.x antérieures à 19.1.2

References

Title

Publication Time

Tags

Bulletin de sécurité GitLab

2026-07-08

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.0.x ant\u00e9rieures \u00e0 19.0.4",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions ant\u00e9rieures \u00e0 18.11.7",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    },
    {
      "description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.1.x ant\u00e9rieures \u00e0 19.1.2",
      "product": {
        "name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
        "vendor": {
          "name": "GitLab",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-6352",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6352"
    },
    {
      "name": "CVE-2026-7492",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-7492"
    },
    {
      "name": "CVE-2026-13151",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-13151"
    },
    {
      "name": "CVE-2025-12506",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-12506"
    },
    {
      "name": "CVE-2026-6896",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6896"
    },
    {
      "name": "CVE-2026-8472",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-8472"
    },
    {
      "name": "CVE-2026-13320",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-13320"
    },
    {
      "name": "CVE-2026-11827",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-11827"
    }
  ],
  "initial_release_date": "2026-07-09T00:00:00",
  "last_revision_date": "2026-07-09T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0850",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-07-09T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Injection de code indirecte \u00e0 distance (XSS)"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans GitLab. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une injection de code indirecte \u00e0 distance (XSS) et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans GitLab",
  "vendor_advisories": [
    {
      "published_at": "2026-07-08",
      "title": "Bulletin de s\u00e9curit\u00e9 GitLab",
      "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/"
    }
  ]
}

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.

Action not permitted

CVE-2026-6896 (GCVE-0-2026-6896)

Vulnerability from cvelistv5

CERTFR-2026-AVI-0850

Vulnerability from certfr_avis

Solutions

Tags

Sightings

Nomenclature