Auth bypass in Openclaw
CVE-2026-32064
OpenClaw versions prior to 2026.2.21 sandbox browser entrypoint launches x11vnc without authentication for noVNC observer sessions, allowing unauthenticated access to the VNC interface. Remote attackers on the host loopback interface can connect to the exposed noVNC port to observe or interact with the sandbox browser without credentials.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.2.21
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-25gx-x37c-7pph (vendor-advisory, Mitigation, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/621d8e1312482f122f18c43c72c67211b141da01 (Patch, patch)
- github.com/openclaw/openclaw/commit/8c1518f0f3e0533593cd2dec3a46c9b746753661 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-missing-vnc-authentication-in-sandbox-bro… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-32064?
- CVE-2026-32064 is a high-severity vulnerability in Openclaw, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2026-03-21.
- How severe is CVE-2026-32064?
- High severity. CVSS v3 base score is 7.7 out of 10.