{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.29.0"
              },
              {
                "fixed": "0.84.0"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6c62e748240ac0980fc23fdf30f8477dea8b9bc3"
            },
            {
              "fixed": "10c58bb56597d9335611da121aac21f9b09b6e5b"
            },
            {
              "fixed": "6a2e6a436f76c8bbf2487f9967413a51356667a0"
            },
            {
              "fixed": "dd5c18d9e526e8de462fa40aa047acd097cfa7dc"
            }
          ],
          "repo": "https://github.com/gitoxidelabs/gitoxide",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-f26g-jm89-4g65"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-77"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40034.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "0.5.21"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "gix-submodule before 0.29.0 (gitoxide before 0.5.21, gix before 0.84.0) incorrectly validates the update field in .gitmodules, allowing attackers to bypass the CommandForbiddenInModulesConfiguration guard when a submodule has been initialized with only partial configuration in .git/config. An attacker can inject arbitrary shell commands via the update field in .gitmodules that will be executed when Submodule::update() is called on a previously-initialized submodule, enabling remote code execution.",
  "id": "CVE-2026-40034",
  "modified": "2026-07-15T01:48:55.140495041Z",
  "published": "2026-05-26T14:08:48.264Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40034.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-f26g-jm89-4g65"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40034"
    },
    {
      "type": "ADVISORY",
      "url": "https://red.anthropic.com/2026/cvd/findings/ANT-2026-6SNS6KMP"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/gitoxide-command-injection-via-partial-gitmodules-override-in-gix-submodule"
    },
    {
      "type": "FIX",
      "url": "https://github.com/GitoxideLabs/gitoxide/commit/6a2e6a436f76c8bbf2487f9967413a51356667a0"
    },
    {
      "type": "FIX",
      "url": "https://github.com/GitoxideLabs/gitoxide/commit/dd5c18d9e526e8de462fa40aa047acd097cfa7dc"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "gitoxide - Command Injection via Partial .gitmodules Override in gix-submodule"
}