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.

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…

EPSS: 0.001 (22.8th percentile) — read the EPSS interpretation.

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.

Affected products

Go-git — versions < 5.18.0, < 6.0.0-alpha.2
Go-git_project Go-git — versions 6.0.0

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
security-advisories@github.com (Product, x_refsource_MISC, 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.