TI-2026-32969 Aliases CVE-2026-45136 GHSA-g3xq-3gmv-qq8g

claude-code-cache-fix: Local code execution via Python triple-quote injection in tools/quota-statusline.sh

HIGH 70CWE-78Published 2026-05-27 · Updated 2026-06-02

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00188 8th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed claude-code-cache-fix (cnighswonger): 3.5.2claude-code-cache-fix (npm): 3.5.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
cnighswonger	claude-code-cache-fix	3.5.0 to before 3.5.2	3.5.2	Patch available	CNA
—	claude-code-cache-fix (npm)	3.5.0 to before 3.5.2	3.5.2	Patch available	GHSA-g3xq-3gmv-qq8g

claude-code-cache-fix Vendorcnighswonger Affected 3.5.0 to before 3.5.2 Fixed in 3.5.2 Patch available CNA
claude-code-cache-fix (npm) Vendor— Affected 3.5.0 to before 3.5.2 Fixed in 3.5.2 Patch available GHSA-g3xq-3gmv-qq8g

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cnighswonger:claude-code-cache-fix::::::::	3.5.0 to before 3.5.2	Vulnerable	cnighswonger

cpe:2.3:a:cnighswonger:claude-code-cache-fix:*:*:*:*:*:*:*:* Versions 3.5.0 to before 3.5.2 Vulnerable ·cnighswonger

Remediation

Fix · CNA claude-code-cache-fix (cnighswonger) Fixed in 3.5.2
Fix · GHSA-g3xq-3gmv-qq8g claude-code-cache-fix (npm) Fixed in 3.5.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-45136
2026-10-03 Alias added: GHSA-g3xq-3gmv-qq8g

References

Exploit 1

https://github.com/cnighswonger/claude-code-cache-fix/issues/108

Patch 1

https://github.com/cnighswonger/claude-code-cache-fix/pull/110

Advisory 2

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences