Auth bypass in Openclaw
CVE-2026-43573
OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in existing-session browser interaction routes. Attackers can bypass SSRF navigation guards to interact with or navigate to unauthorized targets without policy enforcement.
Vulnerability class: Broken Access Control
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: 0.004 (36.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% 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: 0.004 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.4.10
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-527m-976r-jf79 (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/daeb74920d5ad986cb600625180037e23221e93a (Patch, patch)
- www.vulncheck.com/advisories/openclaw-ssrf-policy-bypass-in-existing-session-br… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-43573?
- CVE-2026-43573 is a high-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 7.7/10. Published 2026-05-05.
- How severe is CVE-2026-43573?
- High severity. CVSS v3 base score is 7.7 out of 10.