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Remote code execution in @rog0x/mcp-git-tools via resolveBaseBranch

Priority LOW 33CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.

Summary

The npm package @rog0x/mcp-git-tools versions 0 through 1.0.1 are affected. A flaw in the resolveBaseBranch function lets a remote attacker execute arbitrary code, classified as code injection (CWE-94). The attacker needs no privileges, but user interaction is required and attack complexity is high.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

An issue in @rog0x/mcp-git-tools 1.0.1 allows a remote attacker to execute arbitrary code via the resolveBaseBranch function.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00524 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—@rog0x/mcp-git-tools (npm)up to 1.0.1—No fix listedGHSA-jwc4-922r-f2rw
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • @rog0x/mcp-git-tools (npm) Vendor— Affected up to 1.0.1 Fixed in — No fix listed GHSA-jwc4-922r-f2rw

Remediation

The sources list no fixed version for @rog0x/mcp-git-tools.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-106764
  2. 2026-10-23 Alias added: GHSA-jwc4-922r-f2rw
  3. 2026-10-24 Priority changed: MEDIUM → LOW
  4. 2026-10-25 EPSS moved to the below the 50th percentile
  5. 2026-10-29 Weakness changed · CISA ADP
  6. 2026-10-29 CISA SSVC decision points changed
  7. 2026-10-29 Affected versions changed · GHSA-jwc4-922r-f2rw
  8. 2026-10-29 CVSS score added · GHSA-jwc4-922r-f2rw
  9. 2026-10-29 Weakness changed · GHSA-jwc4-922r-f2rw
  10. 2026-10-29 5 new references · GHSA-jwc4-922r-f2rw

References

Sources