Vulnerability in Go-Git
CVE-2026-41506
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Go-Git — versions < 5.18.0, < 6.0.0-alpha.2
- Go-Git Project — versions 6.0.0
Weakness classification (CWE)
References
- github.com/go-git/go-git/security/advisories/GHSA-3xc5-wrhm-f963 (Vendor Advisory)
- github.com/go-git/go-git/releases/tag/v5.18.0 (Product, Release Notes)
- github.com/go-git/go-git/releases/tag/v6.0.0-alpha.2 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-41506?
- CVE-2026-41506 is a medium-severity vulnerability in Go-Git, classified under Insufficiently Protected Credentials. CVSS score: 4.7/10. Published 2026-05-08.
- How severe is CVE-2026-41506?
- Medium severity. CVSS v3 base score is 4.7 out of 10.