Auth bypass in Openclaw
CVE-2026-53815
OpenClaw before 2026.5.19 contains an authorization bypass vulnerability in message read actions that skips channel allowlist checks. Lower-trust callers can request messages from channels not intended for them by exploiting insufficient validation in the affected feature, potentially exposing sensitive channel messages.
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% 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: +0.001
Affected products
- Openclaw — versions 2026.5.19, 0
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-q7q8-3mgw-q67r (vendor-advisory, Mitigation, patch, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-channel-allowlist-bypass-in-message-read-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-53815?
- CVE-2026-53815 is a medium-severity vulnerability in Openclaw, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-06-11.
- How severe is CVE-2026-53815?
- Medium severity. CVSS v3 base score is 6.5 out of 10.