CVE-2026-28476

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

State: Published
Severity: 6.3 Medium
Published: Mar 5, 2026
Updated: Mar 9, 2026
Reserved: Feb 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	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	VulnCheck
3.1	8.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L	VulnCheck

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.2.14Affected

References

GitHub Security Advisory (GHSA-pg2v-8xwh-qhcc)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.2.14 - Server-Side Request Forgery in Tlon Extension Authenticationthird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.