CVE-2026-45136

claude-code-cache-fix is a cache optimization proxy for Claude Code. From 3.5.0 to before 3.5.2, tools/quota-statusline.sh (introduced in v3.5.0) interpolates Claude Code's hook stdin payload directly into a Python triple-quoted string literal. A ''' byte sequence in any user-controlled field of the payload closes the literal early and lets following bytes execute as Python in the user's Claude Code process. This vulnerability is fixed in 3.5.2.

• CWE-78
• CWE-94

• https://github.com/cnighswonger/claude-code-cache-fix/issues/108Exploit, Issue Tracking
• https://github.com/cnighswonger/claude-code-cache-fix/pull/110Issue Tracking, Patch
• https://github.com/cnighswonger/claude-code-cache-fix/security/advisories/GHSA-g3xq-3gmv-qq8gMitigation, Vendor Advisory
• https://github.com/cnighswonger/claude-code-cache-fix/issues/108Exploit, Issue Tracking
• https://github.com/cnighswonger/claude-code-cache-fix/security/advisories/GHSA-g3xq-3gmv-qq8gMitigation, Vendor Advisory

Published

May 27, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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