What is CVE-2026-43527?

CVE-2026-43527 is a high-severity vulnerability in Openclaw, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-05-05.

How severe is CVE-2026-43527?

High severity. CVSS v3 base score is 7.7 out of 10.

RCE in Openclaw

CVE-2026-43527

OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata en…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.14

Weakness classification (CWE)

References

GitHub Security Advisory (GHSA-53vx-pmqw-863c) (vendor-advisory, Vendor Advisory)
Patch Commit (1) (Patch, patch)
Patch Commit (2) (Patch, patch)
Patch Commit (3) (Patch, patch)
Patch Commit (4) (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.4.14 - Server-Side Request Forgery via Private Network Navigation (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-43527?: CVE-2026-43527 is a high-severity vulnerability in Openclaw, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.7/10. Published 2026-05-05.
How severe is CVE-2026-43527?: High severity. CVSS v3 base score is 7.7 out of 10.