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CVE-2026-25722

Claude Code Vulnerable to Command Injection via Directory Change Bypasses Write Protection

Published: Feb 6, 2026Updated: Feb 9, 2026 Sources: CVE List NVD GHSACWE-20
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.4%
Top 72.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Claude Code is an agentic coding tool. Prior to version 2.0.57, Claude Code failed to properly validate directory changes when combined with write operations to protected folders. By using the cd command to navigate into sensitive directories like .claude, it was possible to bypass write protection and create or modify files without user confirmation. Reliably exploiting this required the ability to add untrusted content into a Claude Code context window. This issue has been patched in version 2.0.57.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20CWE-78

Affected Products

claude codeanthropic
SaaS
AI / ML / llm-serving-inference
claude-codeanthropics
SaaS
AI / ML / llm-serving-inference
@anthropic-ai/claude-codenpmOSS Libraries
anthropiccommercialUSAI / MLaka claude
anthropicscommercialUSAI / MLaka claude-code, anthropic-sdk-python, anthropic-sdk-typescript
npmpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/anthropics/claude-code/security/advisories/GHSA-66q4-vfjg-2qhh
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-25722
nvd.nist.gov
https://github.com/anthropics/claude-code
github.com

Timeline

Published
Feb 6, 2026
Last Updated
Feb 9, 2026

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