High 8.3Published Mar 5, 2026

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

Updated under an hour ago (Oct 26, 2026, 3:00 PM ET)

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It affects OpenClaw. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for OpenClaw

Exploited in the last 30 days

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: 8.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Mar 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

OpenClaw OpenClaw openclaw:openclaw (from the name)	before 2026.2.14	CNA record
openclaw openclaw openclaw:openclaw	before 2026.2.14	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.