🛡️ CVE-2026-40068
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-20 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2026-04-24
Updated 2026-06-02
Modified 2026-05-08
Fix URL N/A

Affected Packages

Software From version Fixed in
@anthropic-ai/claude-code — —
claude-code 2.1.63 2.1.84
unknown — —

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