MediumVulnerabilityLLM-specific
CVE-2026-24053: Claude Code Bash validation flaw in ZSH clobber syntax allows file writes
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2026-24053
- Published
- Record updated
- Affected
- @anthropic-ai/claude-code < 2.0.74
- Fixed in
- 2.0.74
- released December 19, 2025, 46 days before disclosure
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 0.5%
Summary
CVE-2026-24053 affects Claude Code prior to version 2.0.74. A Bash command validation flaw in parsing ZSH clobber syntax let an attacker bypass directory restrictions and write files outside the current working directory without user permission prompts. Exploitation required the user to run ZSH and the ability to add untrusted content into a Claude Code context window.
Mitigation
Fixed in version 2.0.74.
Topics
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