{"id":"CVE-2026-44244","state":"PUBLISHED","title":"GitPython: Newline injection in config_writer().set_value() enables RCE via core.hooksPath","description":"GitPython is a python library used to interact with Git repositories. Prior to version 3.1.49, GitConfigParser.set_value() passes values to Python's configparser without validating for newlines. GitPython's own _write() converts embedded newlines into indented continuation lines (e.g. \\n becomes \\n\\t), but Git still accepts an indented [core] stanza as a section header — so the injected core.hooksPath becomes effective configuration. Any Git operation that invokes hooks (commit, merge, checkout) will then execute scripts from the attacker-controlled path. This issue has been patched in version 3.1.49.","publishedAt":"2026-05-07T18:22:39.704Z","updatedAt":"2026-05-09T03:56:04.115Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["gitpython-developers GitPython"],"affected":[{"vendor":"gitpython-developers","product":"GitPython","versions":[{"version":"< 3.1.49","status":"affected"}]}],"references":["https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-v87r-6q3f-2j67","https://github.com/gitpython-developers/GitPython/releases/tag/3.1.49"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44244.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44244","state":"PUBLISHED","datePublished":"2026-05-07T18:22:39.704Z","dateUpdated":"2026-05-09T03:56:04.115Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-05T16:33:55.844Z"},"containers":{"cna":{"title":"GitPython: Newline injection in config_writer().set_value() enables RCE via core.hooksPath","descriptions":[{"lang":"en","value":"GitPython is a python library used to interact with Git repositories. Prior to version 3.1.49, GitConfigParser.set_value() passes values to Python's configparser without validating for newlines. GitPython's own _write() converts embedded newlines into indented continuation lines (e.g. \\n becomes \\n\\t), but Git still accepts an indented [core] stanza as a section header — so the injected core.hooksPath becomes effective configuration. Any Git operation that invokes hooks (commit, merge, checkout) will then execute scripts from the attacker-controlled path. This issue has been patched in version 3.1.49."}],"affected":[{"vendor":"gitpython-developers","product":"GitPython","versions":[{"version":"< 3.1.49","status":"affected"}]}],"references":[{"url":"https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-v87r-6q3f-2j67","name":"https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-v87r-6q3f-2j67","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/gitpython-developers/GitPython/releases/tag/3.1.49","name":"https://github.com/gitpython-developers/GitPython/releases/tag/3.1.49","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-07T18:22:39.704Z"},"source":{"advisory":"GHSA-v87r-6q3f-2j67","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-v87r-6q3f-2j67","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-08T00:00:00+00:00","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-44244"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-09T03:56:04.115Z"}}]}}}