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 endpoints through browser-driven requests.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (40.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.4.14
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-53vx-pmqw-863c (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/024f4614a1a1831406e763adc40ef226e3d5e9ed (Patch, patch)
- github.com/openclaw/openclaw/commit/1dabfef28db523e7de81edeb3dd689e9171236a2 (Patch, patch)
- github.com/openclaw/openclaw/commit/213c36cf51121ef6c05cfccd78037371f968f31a (Patch, patch)
- github.com/openclaw/openclaw/commit/7eecfa411df3d12e6b810e6ca5df47254fc3db3f (Patch, patch)
- www.vulncheck.com/advisories/openclaw-server-side-request-forgery-via-private-n… (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.