CVE-2026-28476CWE-918

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

Medium · published March 5, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
38.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
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
EPSS
0.00451 · 38.2th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-03-05T21:59Z
EPSS history
Timeline
  • 05 MAR 21:59Z
    OpenClaw < 2026.2.14 - Server-Side Request Forgery in Tlon Extension Authentication
    cvelistv5