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CVE-2026-85626 (GCVE-0-2026-85626)

Vulnerability from cvelistv5 – Published: 2026-09-04 14:32 – Updated: 2026-09-08 16:55
VLAI
Title
git-mcp-server 2.15.1 Argument Injection via Git Ref Parameters
Summary
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.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 16:55 UTC
CWE
  • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Impacted products
Vendor Product Version CPE status
cyanheads git-mcp-server Affected: 0 , ≤ 2.15.3 (semver)
guessed Create a notification for this product.
Date Public
2026-07-08 00:00
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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