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Command injection in GitAhead on macOS via Show in Finder

Priority MEDIUM 42CWE-78Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

GitAhead through 2.7.1 on macOS contains a command injection flaw in its Show in Finder feature. A repository filename is interpolated unescaped into an AppleScript, so a crafted path can run shell commands as the victim user when Show in Finder is chosen. An attacker who can commit such a file to a repository can trigger this without authentication, but the victim must choose the option.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

GitAhead through 2.7.1 on macOS contains a command injection vulnerability that allows attackers to execute shell commands by crafting repository filenames interpolated unescaped into the Show in Finder AppleScript. Attackers can commit a file whose path contains a double quote followed by a do shell script payload, which runs as the victim user when Show in Finder is chosen.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01284 70th 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
gitaheadgitaheadup to 2.7.1—No fix listedCNA
  • gitahead Vendorgitahead Affected up to 2.7.1 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for GitAhead.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-07 Threatist record created from CVE-2026-106059
  2. 2026-10-07 Alias added: GHSA-3g7h-c55x-cx2v
  3. 2026-10-10 CISA SSVC decision points changed

References

  • TI-2026-69115 OS command injection in GitAhead via crafted Git filter filenames CVSS 4.0HIGH 7.7
  • TI-2026-67729 Unverified update installation and TLS bypass in GitAhead CVSS 4.0HIGH 7.7

Sources