CVE-2026-35643highCWE-940

CVE-2026-35643: high-severity vulnerability in OpenClaw

OpenClaw < 2026.3.22 - Arbitrary Code Execution via Unvalidated WebView JavascriptInterface

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.6epss 0.5%
exploitation probability
0.5%top 56% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
OpenClaw · OpenClaw
Related CVEs — OpenClaw

In the same product, most dangerous first.

CVE-2026-25253HIGHCVE-2026-25253EPSS 24.4%CVE-2026-32917CRITICALOpenClaw < 2026.3.13 - Remote Command Injection via Unsanitized iMessage Attachment Paths in SCPEPSS 3.2%CVE-2026-53822HIGHOpenClaw < 2026.5.18 - Command Argument Modification via Shell Wrapper Between Approval and ExecutionEPSS 2.0%CVE-2026-32052MEDIUMOpenClaw < 2026.2.24 - Hidden Command Execution via Shell-Wrapper Positional argv CarriersEPSS 1.6%CVE-2026-44998LOWOpenClaw < 2026.4.20 - Tool Policy Bypass via Bundled MCP/LSP ToolsEPSS 1.2%CVE-2026-44109CRITICALOpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action ValidationEPSS 1.1%
References
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87https://github.com/openclaw/openclaw/commit/8b02ef133275be96d8aac2283100016c8a7f32e5https://github.com/openclaw/openclaw/security/advisories/GHSA-cxmw-p77q-wchghttps://www.vulncheck.com/advisories/openclaw-arbitrary-code-execution-via-unvalidated-webview-javascriptinterface