CVE-2026-41506

go-git Credential leak via cross-host redirect in smart HTTP transport

State: Published
Severity: 4.7 Medium
Published: May 8, 2026
Updated: May 11, 2026
Reserved: Apr 20, 2026

Description

go-git is an extensible git implementation library written in pure Go. Prior to versions 5.18.0 and 6.0.0-alpha.2, go-git may leak HTTP authentication credentials when following redirects during smart-HTTP clone and fetch operations. This issue has been patched in versions 5.18.0 and 6.0.0-alpha.2.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-522 Insufficiently Protected Credentials

Affected Products

Product	Versions
go-gitgo-git	< 5.18.0Affected < 6.0.0-alpha.2Affected

References

https://github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963
https://github.com/go-git/go-git/releases/tag/v5.18.0
https://github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2

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