Vulnerability · Published Mar 5, 2026 · Assigned by VulnCheck

CVE-2026-28476OpenClaw < 2026.2.14 - Server-Side Request Forgery in Tlon Extension Authentication

High 8.3

In plain English

A high-severity server-side request forgery in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.3High

Exploit odds (30 days)0.3%top 79.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.2.14	GHSA-pg2v-8xwh-qhcc

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.2.14

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

References

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