Description
OpenClaw versions prior to 2026.2.21 contain an improper URL scheme validation vulnerability in the assertBrowserNavigationAllowed() function that allows authenticated users with browser-tool access to navigate to file:// URLs. Attackers can exploit this by accessing local files readable by the OpenClaw process user through browser snapshot and extraction actions to exfiltrate sensitive data.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| OpenClaw | OpenClaw | < 2026.2.21 |
References
- https://github.com/openclaw/openclaw/commit/220bd95eff6838234e8b4b711f86d4565e16e401Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-45cg-2683-gfmqExploit, Mitigation, Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-arbitrary-local-file-read-via-browser-navigation-guardThird Party Advisory
- https://github.com/openclaw/openclaw/security/advisories/GHSA-45cg-2683-gfmqExploit, Mitigation, Vendor Advisory
Timeline
- Published
- Mar 19, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed