Vulnerability · Published Oct 7, 2026 · Assigned by VulnCheck
CVE-2026-106058GitAhead through 2.7.1 OS Command Injection via Git Filter Filenames
High 7.5
In plain English
A high-severity OS command injection in gitahead from gitahead. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 31.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
GitAhead through 2.7.1 contains an OS command injection vulnerability in src/git/Filter.cpp that allows malicious repositories to execute commands by substituting crafted filenames into clean/smudge filter commands. Attackers can ship files named with $(command) selected via .gitattributes so checkout or staging runs the command through bash -c as the victim.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- GitHub Issue #661 issue-tracking
- https://github.com/gitahead/gitahead product
- https://github.com/gitahead/gitahead/blob/v2.7.1/src/git/Filter.cpp#L43-L70 technical-description
- VulnCheck Advisory: GitAhead through 2.7.1 OS Command Injection via Git Filter Filenames third-party-advisory