Is CVE-2026-42431 in the CISA KEV catalog?

No. CVE-2026-42431 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-42431?

CVE-2026-42431 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2026-42431?

CVE-2026-42431 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-42431

HIGH

8.1

CVSS v3

NVD

Description

OpenClaw before 2026.4.8 contains a security bypass vulnerability in node.invoke(browser.proxy) that allows mutation of persistent browser profiles. Attackers can exploit this path to circumvent the browser.request persistent profile-mutation guard and modify browser configurations.

CWE-863

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

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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 2026-04-30.