CVE-2026-28476

OpenClaw < 2026.2.14 - Server-Side Request Forgery in Tlon Extension Authentication

CVSS 6.3 MEDIUMEPSS 0.2%CWE-918

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.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

Affected products

OpenClaw · OpenClaw

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References

https://github.com/openclaw/openclaw/commit/bfa7d21e997baa8e3437657d59b1e296815cc1b1 https://github.com/openclaw/openclaw/security/advisories/GHSA-pg2v-8xwh-qhcc https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-in-tlon-extension-authentication