Information disclosure in Git for Windows - CVE-2025-66413

Vulnerability identifier: #VU123998

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-66413

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can trick a victim to clone from a malicious server, obtain a user's NTLM hash and brute-force the account name and password.

Git for Windows
openEuler
git
git-core
git-daemon
git-debuginfo
git-debugsource
git-email
git-gui
git-help
git-svn
git-web
gitk
perl-Git
perl-Git-SVN

Install updates from vendor's website.

Git for Windows - update to 2.53.0(2)
git - update to 2.43.0-11
git-core - update to 2.43.0-11
git-daemon - update to 2.43.0-11
git-debuginfo - update to 2.43.0-11
git-debugsource - update to 2.43.0-11
git-email - update to 2.43.0-11
git-gui - update to 2.43.0-11
git-help - update to 2.43.0-11
git-svn - update to 2.43.0-11
git-web - update to 2.43.0-11
gitk - update to 2.43.0-11
perl-Git - update to 2.43.0-11
perl-Git-SVN - update to 2.43.0-11

• Exploit #12483 - Git leaks NTLM hash when cloning from an attacker-controlled server (March 13, 2026)

• https://github.com/git-for-windows/git/security/advisories/GHSA-hv9c-4jm9-jh3x

• Information disclosure in Git for Windows
• openEuler update for git