CVE-2026-41506

MEDIUM 4.7

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

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-522
Vendor	go-git
Product	go-git
Published	May 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

go-git / go-git

< 5.18.0 < 6.0.0-alpha.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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