CVE-2026-41506

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.

CVSS Metrics

• v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
• v3.1•HIGH•Score: 7.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.07%• Percentile: 23%

Techniques & Countermeasures

• CWE-522•Insufficiently Protected Credentials

  The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

Affected Systems

• go-git_project•go-git

  < 5.18.0 | 6.0.0:alpha1

• go-git•go-git

  < 5.18.0 | < 6.0.0-alpha.2

• github.com/go-git/go-git•v5

  < 5.18.0

• github.com/go-git/go-git•v6

  < 6.0.0-alpha.2

References (5)

• 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
• https://nvd.nist.gov/vuln/detail/CVE-2026-41506
• https://github.com/go-git/go-git