{"id":"CVE-2026-32631","summary":"Git for Windows: `git clone` from manipulated repositories can leak NTLM hashes to arbitrary servers","details":"Git for Windows is the Windows port of Git. Versions prior to 2.53.0.windows.3 do not have protections that prevent attackers from obtaining a user's NTLM hash. The NTLM hash can be obtained by tricking users into cloning a malicious repository, or checking out a malicious branch, that accesses an attacker-controlled server. By default, NTLM authentication does not need any user interaction. By brute-forcing the NTLMv2 hash (which is expensive, but possible), credentials can be extracted. This issue has been fixed in version 2.53.0.windows.3.","aliases":["GHSA-9j5h-h4m7-85hx"],"modified":"2026-07-15T01:49:01.973443447Z","published":"2026-04-15T17:26:44.154Z","related":["CGA-5cjg-pxrq-v5w5"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32631.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-200"]},"references":[{"type":"WEB","url":"https://github.com/git-for-windows/git/releases/tag/v2.53.0.windows.3"},{"type":"WEB","url":"https://learn.microsoft.com/en-au/windows/whats-new/deprecated-features#:~:text=NTLM"},{"type":"WEB","url":"https://support.microsoft.com/en-us/topic/upcoming-changes-to-ntlmv1-in-windows-11-version-24h2-and-windows-server-2025-c0554217-cdbc-420f-b47c-e02b2db49b2e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32631.json"},{"type":"ADVISORY","url":"https://github.com/git-for-windows/git/security/advisories/GHSA-9j5h-h4m7-85hx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32631"},{"type":"ARTICLE","url":"https://techcommunity.microsoft.com/blog/windows-itpro-blog/the-evolution-of-windows-authentication/3926848"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/git-for-windows/git","events":[{"introduced":"0"},{"fixed":"f8165afd89b0c190677a093f20894f5fce12f97a"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"2.53.0.windows.3"}]}}],"versions":["v2.53.0.windows.1","v2.53.0.windows.2","v2.41.0-rc0","v2.30.0-rc2","v2.27.0-rc1","v2.21.0","v2.22.0-rc0","v2.15.0","v2.17.0","v2.18.0","v2.19.0","v2.19.0-rc2","v2.19.0-rc1","v2.19.0-rc0","v2.18.0-rc2","v2.18.0-rc1","v2.18.0-rc0","v2.17.0-rc2","v2.17.0-rc1","v2.17.0-rc0","v2.16.0-rc0","v2.16.0","v2.16.0-rc1","v2.16.0-rc2","v2.15.0-rc2","v2.15.0-rc1","v2.15.0-rc0","v2.14.0","v2.14.0-rc1","v2.11.0","v2.12.0","v2.13.0","v2.14.0-rc0","v2.13.0-rc2","v2.13.0-rc1","v2.13.0-rc0","v2.10.0","v2.12.0-rc2","v2.12.0-rc1","v2.12.0-rc0","v2.11.0-rc3","v2.9.0","v2.11.0-rc2","v2.11.0-rc1","v2.11.0-rc0","v2.10.0-rc2","v2.10.0-rc1","v2.10.0-rc0","v2.7.0","v2.9.0-rc2","v2.8.0","v2.9.0-rc1","v2.9.0-rc0","v2.8.0-rc4","v2.8.0-rc1","v2.8.0-rc3","v2.8.0-rc2","v2.8.0-rc0","v2.6.0","v2.7.0-rc3","v2.4.0","v2.7.0-rc1","v2.7.0-rc2","v2.0.0","v2.7.0-rc0","v2.6.0-rc1","v2.6.0-rc3","v2.6.0-rc2","v2.5.0","v2.6.0-rc0","v2.2.0","v2.5.0-rc3","v2.5.0-rc0","v2.5.0-rc2","v2.5.0-rc1","v2.4.0-rc0","v2.4.0-rc3","v2.4.0-rc2","v2.4.0-rc1","v2.3.0","v2.3.0-rc2","v2.3.0-rc1","v2.3.0-rc0","v1.8.5","v2.2.0-rc1","v2.2.0-rc3","v2.2.0-rc2","v2.1.0","v2.2.0-rc0","v2.1.0-rc2","v2.1.0-rc1","v2.1.0-rc0","v1.9.0","v2.0.0-rc2","v2.0.0-rc4","v2.0.0-rc3","v2.0.0-rc1","v2.0.0-rc0","v1.9-rc0","v1.9.0-rc3","v1.9-rc2","v1.9-rc1","v1.8.5-rc3","v1.8.5-rc2","v1.8.5-rc0","v1.8.5-rc1","v1.8.4","v1.8.3","v1.8.4-rc4","v1.8.4-rc3","v1.8.4-rc2","v1.8.4-rc1","v1.8.4-rc0","v1.8.2","v1.8.1","v1.7.11","v1.8.3-rc0","v1.8.3-rc3","v1.8.3-rc2","v1.8.3-rc1","v1.8.2-rc3","v1.8.2-rc2","v1.8.2-rc1","v1.8.2-rc0","v1.8.0","v1.8.1-rc2","v1.8.1-rc3","v1.7.12","v1.7.9","v1.8.1-rc1","v1.8.1-rc0","v1.8.0-rc3","v1.8.0-rc2","v1.8.0-rc1","v1.8.0-rc0","v1.7.3","v1.7.12-rc3","v1.7.12-rc2","v1.7.11-rc1","v1.7.12-rc1","v1.7.12-rc0","v1.7.11-rc3","v1.7.11-rc0","v1.7.11-rc2","v1.7.10","v1.7.8","v1.7.10-rc3","v1.7.10-rc4","v1.7.10-rc2","v1.7.10-rc1","v1.7.10-rc0","v1.7.7","v1.7.9-rc2","v1.7.9-rc1","v1.7.9-rc0","v1.7.4","v1.7.5","v1.7.8-rc2","v1.7.8-rc4","v1.7.8-rc3","v1.7.0","v1.7.8-rc1","v1.7.6","v1.7.8-rc0","v1.7.7-rc1","v1.7.7-rc3","v1.7.7-rc2","v1.7.7-rc0","v1.6.0","v1.7.6-rc3","v1.7.6-rc2","v1.7.2-rc1","v1.7.6-rc1","v1.7.6-rc0","v1.6.6","v1.7.5-rc3","v1.7.5-rc2","v1.7.5-rc1","v1.7.5-rc0","v1.7.4-rc1","v1.7.4-rc3","v1.7.4-rc2","v1.7.4-rc0","v1.7.1","v1.7.3.1","v1.7.3-rc2","v1.7.3-rc1","v1.7.3-rc0","v1.7.2","v1.7.2-rc3","v1.7.2-rc2","v1.7.2-rc0","v1.7.1-rc2","v1.7.1-rc1","v1.7.1-rc0","v1.7.0-rc2","v1.6.3","v1.6.5","v1.7.0-rc1","v1.7.0-rc0","v1.6.6-rc1","v1.6.1-rc1","v1.6.6-rc4","v1.6.6-rc3","v1.6.6-rc2","v1.6.6-rc0","v1.6.5-rc3","v1.6.5-rc2","v1.6.5-rc1","v1.6.5-rc0","v1.6.4","v1.6.4-rc3","v1.6.4-rc2","v1.6.4-rc1","v1.6.4-rc0","v1.6.2","v1.6.3-rc4","v1.6.3-rc2","v1.6.3-rc1","v1.6.3-rc0","v1.6.3-rc3","v1.6.1","v1.6.2-rc2","v1.6.2-rc1","v1.6.2-rc0","v1.6.1-rc4","v1.6.1-rc3","v1.6.1-rc2","v1.6.0-rc3","v1.6.0-rc2","v1.6.0-rc1","v1.6.0-rc0","v1.5.6","v1.5.6-rc3","v1.5.6-rc2","v1.5.6-rc1","v1.5.6-rc0","v1.5.5","v1.5.5-rc3","v1.5.5-rc2","v1.5.5-rc1","v1.5.5-rc0","v1.5.4","v1.5.4-rc5","v1.5.4-rc4","v1.5.4-rc3","v1.5.4-rc2","v1.5.4-rc1","v1.5.4-rc0","v1.5.3.1","v1.5.3","v1.5.3-rc7","v1.5.3-rc6","v1.5.3-rc5","v1.5.3-rc4","v1.5.3-rc3","v1.5.3-rc2","v1.5.3-rc1","v1.5.3-rc0","v1.5.2","v1.5.2-rc3","v1.5.2-rc2","v1.5.2-rc1","v1.5.2-rc0","v1.5.1","v1.5.1-rc3","v1.5.1-rc2","v1.5.1-rc1","v1.5.0","v1.5.0-rc4","v1.5.0-rc2","v1.5.0-rc3","v1.5.0-rc1","v1.5.0-rc0","v1.4.4.1","v1.4.4","v1.4.4-rc2","v1.4.4-rc1","v1.4.3","v1.4.3-rc3","v1.4.3-rc2","v1.4.3-rc1","v1.4.2",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