What is CVE-2026-45570?

CVE-2026-45570 is a critical-severity vulnerability in Go-git, classified under Improper Encoding or Escaping of Output. CVSS score: 9.6/10. Published 2026-05-27.

How severe is CVE-2026-45570?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Go-git

CVE-2026-45570

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, go-git's SSH transport constructs the remote exec command by wrapping the repository path in single quotes without escaping single qu…

EPSS: 0.000 (4.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Go-git — versions < 5.19.1, >= 6.0.0-alpha.1, < 6.0.0-alpha.4
Go-git_project Go-git — versions 6.0.0

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45570?: CVE-2026-45570 is a critical-severity vulnerability in Go-git, classified under Improper Encoding or Escaping of Output. CVSS score: 9.6/10. Published 2026-05-27.
How severe is CVE-2026-45570?: Critical severity. CVSS v3 base score is 9.6 out of 10.