Is CVE-2026-35642 in the CISA KEV catalog?

No. CVE-2026-35642 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-35642?

CVE-2026-35642 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-35642?

CVE-2026-35642 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-35642?

Upgrade openclaw to 2026.3.25 or later.

CVE & CISA-KEV Catalog

CVE-2026-35642

MEDIUM

4.3

CVSS v3

NVD

Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.

CWE-288

How to fix

Remediation Available

openclawNVD

Affected:< 2026.3.25Fixed in:2026.3.25CVE-2026-35642derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-288 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2024-1709	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2024-27198	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-4427	Medium	5.3	100%	KEV	Fix
CVE-2024-55591	Critical	9.8	98%	KEV + Ransom	Fix
CVE-2023-46747	Critical	9.8	97%	KEV + Ransom	-

Embed a live status badge for CVE-2026-35642

Markdown

[![CVE-2026-35642](https://tridentstack.com/cve/badge/CVE-2026-35642.svg)](https://tridentstack.com/cve/CVE-2026-35642)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-35642"><img src="https://tridentstack.com/cve/badge/CVE-2026-35642.svg" alt="CVE-2026-35642"></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 2026-04-15.