Is CVE-2026-35643 in the CISA KEV catalog?

No. CVE-2026-35643 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-35643?

CVE-2026-35643 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-35643?

CVE-2026-35643 has an EPSS score of 0.37% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-35643?

Upgrade openclaw to 2026.3.22 or later.

CVE & CISA-KEV Catalog

CVE-2026-35643

HIGH

8.8

CVSS v3

NVD

Description

OpenClaw before 2026.3.22 contains an unvalidated WebView JavascriptInterface vulnerability allowing attackers to inject arbitrary instructions. Untrusted pages can invoke the canvas bridge to execute malicious code within the Android application context.

CWE-940

How to fix

Remediation Available

openclawNVD

Affected:< 2026.3.22Fixed in:2026.3.22CVE-2026-35643derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.37%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Patch2

Vendor Advisory1

github.com

Third-Party Advisory1

vulncheck.com

Related Vulnerabilities

Other CWE-940 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-61932	Critical	9.8	2.6%	KEV	-
CVE-2024-32388	Medium	5.3	1.5%	-	Fix
CVE-2023-3663	High	8.8	1.0%	-	Fix
CVE-2023-48387	High	8.8	1.0%	-	-
CVE-2025-23018	Medium	5.4	1.0%	-	-
CVE-2025-23019	Medium	5.4	0.9%	-	-

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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 2026-04-13.