{"id":"CVE-2026-40034","state":"PUBLISHED","title":"gitoxide - Command Injection via Partial .gitmodules Override in gix-submodule","description":"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.","publishedAt":"2026-05-26T14:08:48.264Z","updatedAt":"2026-10-08T15:22:34.992Z","severity":{"score":7.3,"label":"High","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["gitoxide gitoxide","gitoxide gix-submodule","gitoxide gix"],"affected":[{"vendor":"gitoxide","product":"gitoxide","packageURL":"pkg:cargo/gitoxide","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.5.21","versionType":"semver"},{"version":"0.5.21","status":"unaffected","versionType":"semver"}]},{"vendor":"gitoxide","product":"gix-submodule","packageURL":"pkg:cargo/gix","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.29.0","versionType":"semver"},{"version":"0.29.0","status":"unaffected","versionType":"semver"}]},{"vendor":"gitoxide","product":"gix","packageURL":"pkg:cargo/gix","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.84.0","versionType":"semver"},{"version":"0.84.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-f26g-jm89-4g65","https://github.com/GitoxideLabs/gitoxide/commit/6a2e6a436f76c8bbf2487f9967413a51356667a0","https://github.com/GitoxideLabs/gitoxide/commit/dd5c18d9e526e8de462fa40aa047acd097cfa7dc","https://red.anthropic.com/2026/cvd/findings/ANT-2026-6SNS6KMP","https://www.vulncheck.com/advisories/gitoxide-command-injection-via-partial-gitmodules-override-in-gix-submodule"],"weaknesses":["CWE-77"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40034.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40034","state":"PUBLISHED","datePublished":"2026-05-26T14:08:48.264Z","dateUpdated":"2026-10-08T15:22:34.992Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-04-08T13:36:56.793Z"},"containers":{"cna":{"title":"gitoxide - Command Injection via Partial .gitmodules Override in gix-submodule","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"gitoxide","product":"gitoxide","packageURL":"pkg:cargo/gitoxide","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.5.21","versionType":"semver"},{"version":"0.5.21","status":"unaffected","versionType":"semver"}]},{"vendor":"gitoxide","product":"gix-submodule","packageURL":"pkg:cargo/gix","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.29.0","versionType":"semver"},{"version":"0.29.0","status":"unaffected","versionType":"semver"}]},{"vendor":"gitoxide","product":"gix","packageURL":"pkg:cargo/gix","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.84.0","versionType":"semver"},{"version":"0.84.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-f26g-jm89-4g65","name":"GHSA Advisory GHSA-f26g-jm89-4g65","tags":["vendor-advisory"]},{"url":"https://github.com/GitoxideLabs/gitoxide/commit/6a2e6a436f76c8bbf2487f9967413a51356667a0","name":"https://github.com/GitoxideLabs/gitoxide/commit/6a2e6a436f76c8bbf2487f9967413a51356667a0","tags":["patch"]},{"url":"https://github.com/GitoxideLabs/gitoxide/commit/dd5c18d9e526e8de462fa40aa047acd097cfa7dc","name":"https://github.com/GitoxideLabs/gitoxide/commit/dd5c18d9e526e8de462fa40aa047acd097cfa7dc","tags":["patch"]},{"url":"https://red.anthropic.com/2026/cvd/findings/ANT-2026-6SNS6KMP","name":"Anthropic CVD Finding ANT-2026-6SNS6KMP","tags":["third-party-advisory"]},{"url":"https://www.vulncheck.com/advisories/gitoxide-command-injection-via-partial-gitmodules-override-in-gix-submodule","name":"VulnCheck Advisory: gitoxide - Command Injection via Partial .gitmodules Override in gix-submodule","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":7.3,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","lang":"en","description":"Improper Neutralization of Special Elements used in a Command ('Command Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:22:34.992Z"},"datePublic":"2026-04-25T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gitoxidelabs:gitoxide:*:*:*:*:*:*:*:*","versionEndExcluding":"0.5.21"}]}]}],"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-f26g-jm89-4g65","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T15:00:27.629890Z","id":"CVE-2026-40034","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-26T15:07:43.895Z"}}]}}}