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.

INFO

Published Date :

2026-03-05T21:59:51.454Z

Last Modified :

2026-03-09T18:10:20.787Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28476 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28476.

URL Resource
https://github.com/openclaw/openclaw/commit/bfa7d21e997baa8e3437657d59b1e296815cc1b1 cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-pg2v-8xwh-qhcc cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-in-tlon-extension-authentication cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact