Auth bypass in Openclaw
CVE-2026-45002
OpenClaw before 2026.4.20 contains a hook session-key bypass vulnerability that allows attackers to circumvent the hooks.allowRequestSessionKey opt-in restriction. Attackers can render externally influenced session keys through templated hook mappings to bypass webhook routing isolation controls.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% 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, 2026.4.20
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-2xcp-x87w-q377 (vendor-advisory, Third Party Advisory)
- github.com/openclaw/openclaw/commit/5275d008ed33203dba3f98e969ad683a65c416c3 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-hook-session-key-bypass-via-template-mapp… (Patch, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-45002?
- CVE-2026-45002 is a medium-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-05-11.
- How severe is CVE-2026-45002?
- Medium severity. CVSS v3 base score is 5.3 out of 10.