Severity:
CRITICAL RISK
(10.0)
Sandbox Escape via Symlink Path Traversal in Claude Code
CVE-2026-39861
Analyzed
Vulnerability Type
Category:
Sandbox Escape via Symlink Path Traversal
CWE:
CWE-22;CWE-61
Impact:
Arbitrary File Write and Potential Code Execution Outside Sandbox
Severity:
CRITICAL RISK
(10.0)
CVSS Version:
3.1
Catch This CVE While Code Is Being Written
Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.
Summary
Affected Context
Exploit Preconditions
Why This Happens
Potential Impact
General Mitigation Guidance
How Teams Detect Issues Like This
Frequently Asked Questions
Source
NDV
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