CVE-2026-76989 (GCVE-0-2026-76989)
Vulnerability from cvelistv5
Published
2026-08-20 13:00
Modified
2026-08-25 14:38
Severity ?
5.5 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CWE
Summary
A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e8e9dba09bf56962807d3504b783ccdb6287f3e4. To fix this issue, it is recommended to deploy a patch.
References
Impacted products
Vendor Product Version
liftoff-sr CIPster Version: 1802525be27d33e19a9a83c163e331a1d13b1892
    cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-76989",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-25T14:37:15.319006Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-25T14:38:04.827Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "TCP Encapsulation Receive Path"
          ],
          "product": "CIPster",
          "vendor": "liftoff-sr",
          "versions": [
            {
              "status": "affected",
              "version": "1802525be27d33e19a9a83c163e331a1d13b1892"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Carnegie (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e8e9dba09bf56962807d3504b783ccdb6287f3e4. To fix this issue, it is recommended to deploy a patch."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "Out-of-Bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-20T13:00:11.330Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-393612 | liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/393612"
        },
        {
          "name": "VDB-393612 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/393612/cti"
        },
        {
          "name": "CVE-2026-76989 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-76989"
        },
        {
          "name": "Submit #880112 | liftoff-sr  CIPster master before e8e9dba (reproduced on 1802525be27d33e19a9a83c163e331a1d13b1892)  Out-of-bounds Read",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/880112"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/liftoff-sr/CIPster/issues/46"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/liftoff-sr/CIPster/commit/e8e9dba09bf56962807d3504b783ccdb6287f3e4"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/liftoff-sr/CIPster/"
        }
      ],
      "tags": [
        "x_open-source"
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-20T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-20T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-20T09:00:50.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-76989",
    "datePublished": "2026-08-20T13:00:11.330Z",
    "dateReserved": "2026-08-20T06:52:04.107Z",
    "dateUpdated": "2026-08-25T14:38:04.827Z",
    "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-2026-76989\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-25T14:37:15.319006Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-25T14:37:59.487Z\"}}], \"cna\": {\"tags\": [\"x_open-source\"], \"title\": \"liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Carnegie (VulDB User)\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 6.9, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 5, \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C\"}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*\"], \"vendor\": \"liftoff-sr\", \"modules\": [\"TCP Encapsulation Receive Path\"], \"product\": \"CIPster\", \"versions\": [{\"status\": \"affected\", \"version\": \"1802525be27d33e19a9a83c163e331a1d13b1892\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-08-20T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-08-20T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-08-20T09:00:50.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/393612\", \"name\": \"VDB-393612 | liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/vuln/393612/cti\", \"name\": \"VDB-393612 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-76989\", \"name\": \"CVE-2026-76989 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/880112\", \"name\": \"Submit #880112 | liftoff-sr  CIPster master before e8e9dba (reproduced on 1802525be27d33e19a9a83c163e331a1d13b1892)  Out-of-bounds Read\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/liftoff-sr/CIPster/issues/46\", \"tags\": [\"exploit\", \"issue-tracking\"]}, {\"url\": \"https://github.com/liftoff-sr/CIPster/commit/e8e9dba09bf56962807d3504b783ccdb6287f3e4\", \"tags\": [\"patch\"]}, {\"url\": \"https://github.com/liftoff-sr/CIPster/\", \"tags\": [\"product\"]}], \"x_generator\": [\"VulDB PVTS v202608\"], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e8e9dba09bf56962807d3504b783ccdb6287f3e4. To fix this issue, it is recommended to deploy a patch.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-125\", \"description\": \"Out-of-Bounds Read\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-119\", \"description\": \"Memory Corruption\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-08-20T13:00:11.330Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-76989\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-25T14:38:04.827Z\", \"dateReserved\": \"2026-08-20T06:52:04.107Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-08-20T13:00:11.330Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.