CVE-2026-85626
highgit-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of git_log, git_diff, and git_show tools that lack leading-…
git-mcp-server 2.15.1 contains an argument injection vulnerability in the ref and object parameters of git_log, git_diff, and git_show tools that lack leading-dash validation. Attackers can inject git command-line options like --output= to write files outside the repository to arbitrary paths accessible by the process.
CVSS
7.5
7.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-04 15:17
Modified: 2026-09-23 17:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/cyanheads/git-mcp-server disclosure@vulncheck.com
- https://github.com/cyanheads/git-mcp-server/blob/v2.15.3/src/services/git/providers/cli/op... disclosure@vulncheck.com
- https://github.com/cyanheads/git-mcp-server/blob/v2.15.3/src/services/git/providers/cli/ut... disclosure@vulncheck.com
- https://github.com/cyanheads/git-mcp-server/issues/53 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/git-mcp-server-2.15.1-argument-injection-via-git-ref-... disclosure@vulncheck.com
- https://github.com/cyanheads/git-mcp-server/issues/53 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:50 UTC · record ↗