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CVE-2026-24053

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Date: February 3, 2026

Claude Code is an agentic coding tool. Prior to version 2.0.74, due to a Bash command validation flaw in parsing ZSH clobber syntax, it was possible to bypass directory restrictions and write files outside the current working directory without user permission prompts. Exploiting this required the user to use ZSH and the ability to add untrusted content into a Claude Code context window. This issue has been patched in version 2.0.74.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-24053
https://github.com/anthropics/claude-code
https://github.com/anthropics/claude-code/security/advisories/GHSA-q728-gf8j-w49r
https://www.mend.io/vulnerability-database/CVE-2026-24053

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

Top Fix

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Upgrade Version

Upgrade to version @anthropic-ai/claude-code - 2.0.74

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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