CVE-2026-40068
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
In versions 2.1.63 through 2.1.83 of Claude Code, the folder trust determination logic used the git worktree commondir file without validating its contents. An attacker could craft a malicious repository with a commondir file pointing to a path the victim had previously trusted, causing Claude Code to bypass its trust confirmation dialog and immediately execute hooks defined in .claude/settings.json. Exploitation requires the victim to clone the malicious repository and run Claude Code within it, and the attacker must know or guess a path the victim had already trusted. This issue has been fixed in version 2.1.84.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| anthropics | claude-code | >= 2.1.63, < 2.1.84 | affected |
Weaknesses
- CWE-20: CWE-20: Improper Input Validation
- CWE-77: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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