What is CVE-2026-6011?

CVE-2026-6011 is a medium-severity vulnerability in Openclaw, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.6/10. Published 2026-04-10.

How severe is CVE-2026-6011?

Medium severity. CVSS v3 base score is 5.6 out of 10.

SSRF in Openclaw

CVE-2026-6011

A weakness has been identified in OpenClaw up to 2026.1.26. Affected by this issue is some unknown functionality of the file src/agents/tools/web-fetch.ts of the component assertPublicHostname Handler. Executing a manipulation can lead to server-side request forgery. The attack can be executed remotely. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2026.1.29 can resolve this issue. This patch is called b623557a2ec7e271bda003eb3ac33fbb2e218505. Upgrading the affected component is advised.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (47.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002

Affected products

Openclaw
Openclaw — versions 2026.1.0, 2026.1.1, 2026.1.2

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

vuldb.com/vuln/356567 (VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/vuln/356567/cti (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/submit/795224 (Patch, VDB Entry, Third Party Advisory, third-party-advisory)
github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md (Exploit, Patch, Third Party Advisory, exploit, Mitigation)
github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505 (Patch, patch)
github.com/openclaw/openclaw/releases/tag/v2026.1.29 (Release Notes, patch)
github.com/openclaw/openclaw/ (Product, product)

Frequently asked questions

What is CVE-2026-6011?: CVE-2026-6011 is a medium-severity vulnerability in Openclaw, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.6/10. Published 2026-04-10.
How severe is CVE-2026-6011?: Medium severity. CVSS v3 base score is 5.6 out of 10.