CVE-2026-26317 (GCVE-0-2026-26317)
Vulnerability from cvelistv5 – Published: 2026-02-19 21:34 – Updated: 2026-02-20 15:41
VLAI
EPSS
VEX
Title
OpenClaw affected by cross-site request forgery (CSRF) through loopback browser mutation endpoints
Summary
OpenClaw is a personal AI assistant. Prior to 2026.2.14, browser-facing localhost mutation routes accepted cross-origin browser requests without explicit Origin/Referer validation. Loopback binding reduces remote exposure but does not prevent browser-initiated requests from malicious origins. A malicious website can trigger unauthorized state changes against a victim's local OpenClaw browser control plane (for example opening tabs, starting/stopping the browser, mutating storage/cookies) if the browser control service is reachable on loopback in the victim's browser context. Starting in version 2026.2.14, mutating HTTP methods (POST/PUT/PATCH/DELETE) are rejected when the request indicates a non-loopback Origin/Referer (or `Sec-Fetch-Site: cross-site`). Other mitigations include enabling browser control auth (token/password) and avoid running with auth disabled.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 15:27 UTC
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | x_refsource_CONFIRM |
| https://github.com/openclaw/openclaw/commit/b566b… | x_refsource_MISC |
| https://github.com/openclaw/openclaw/releases/tag… | x_refsource_MISC |
Impacted products
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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