| Component | OpenClaw |
| Severity | high (CVSS 8.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
| Published (NVD) | 2026-03-05 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.2.14 |
| Fixed in | 2026.2.14 |
| Weakness | CWE-918 |
| CISA KEV | not listed |
NVD description
OpenClaw versions prior to 2026.2.14 contain a server-side request forgery vulnerability in the optional Tlon Urbit extension that accepts user-provided base URLs for authentication without proper validation. Attackers who can influence the configured Urbit URL can induce the gateway to make HTTP requests to arbitrary hosts including internal addresses.
What to do
- Upgrade OpenClaw to
2026.2.14or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-28476
- https://github.com/openclaw/openclaw/security/advisories/GHSA-pg2v-8xwh-qhcc
- https://github.com/openclaw/openclaw/commit/bfa7d21e997baa8e3437657d59b1e296815cc1b1
- https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-in-tlon-extension-authentication
Read more
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