Is CVE-2026-45136 in the CISA KEV catalog?

No. CVE-2026-45136 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-45136?

CVE-2026-45136 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2026-45136?

CVE-2026-45136 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45136?

Upgrade claude-code-cache-fix to 3.5.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-45136

HIGH

7.8

CVSS v3

NVD

Description

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-78OS Command Injection CWE-94Code Injection

How to fix

Remediation Available

claude-code-cache-fixNVD

Affected:>= 3.5.0, < 3.5.2Fixed in:3.5.2CVE-2026-45136derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

Embed a live status badge for CVE-2026-45136

Markdown

[![CVE-2026-45136](https://tridentstack.com/cve/badge/CVE-2026-45136.svg)](https://tridentstack.com/cve/CVE-2026-45136)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-45136"><img src="https://tridentstack.com/cve/badge/CVE-2026-45136.svg" alt="CVE-2026-45136"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-02.