Auth bypass in Openclaw
CVE-2026-53854
OpenClaw before 2026.4.25 contains a privilege escalation vulnerability in internal and webchat command authentication that allows senders to inherit wildcard ownerAllowFrom state across channel boundaries. Attackers can exploit this by sending commands on affected internal or webchat paths to execute owner-style command behavior outside intended channel scope, potentially bypassing access controls.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.4.25
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-4hpg-mp64-x7xq (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-privilege-escalation-via-ownerallowfrom-w… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-53854?
- CVE-2026-53854 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-06-16.
- How severe is CVE-2026-53854?
- Medium severity. CVSS v3 base score is 6.5 out of 10.