CVE-2026-33068

Claude Code

High

CVSS Details

CVSS Score
8.8 HIGH
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-807 Reliance on Untrusted Inputs in a Security Decision

Description

Claude Code is an agentic coding tool. Versions prior to 2.1.53 resolved the permission mode from settings files, including the repo-controlled .claude/settings.json, before determining whether to display the workspace trust confirmation dialog. A malicious repository could set permissions.defaultMode to bypassPermissions in its committed .claude/settings.json, causing the trust dialog to be silently skipped on first open. This allowed a user to be placed into a permissive mode without seeing the trust confirmation prompt, making it easier for an attacker-controlled repository to gain tool execution without explicit user consent. This issue has been patched in version 2.1.53.

Timeline

Discovered
March 2026
Vendor Notified
March 2026
Patch Released
March 20, 2026 (v2.1.53)
Public Disclosure
March 20, 2026