Auth bypass in Openclaw
CVE-2026-33577
OpenClaw before 2026.3.28 contains an insufficient scope validation vulnerability in the node pairing approval path that allows low-privilege operators to approve nodes with broader scopes. Attackers can exploit missing callerScopes validation in node-pairing.ts to extend privileges onto paired nodes beyond their authorization level.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Openclaw — versions 0, 2026.3.28
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-2x4x-cc5g-qmmg) (vendor-advisory, third-party-advisory, Vendor Advisory)
- Patch Commit (Patch, patch)
- VulnCheck Advisory: OpenClaw < 2026.3.28 - Insufficient Scope Validation in node.pair.approve (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-33577?
- CVE-2026-33577 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-03-31.
- How severe is CVE-2026-33577?
- High severity. CVSS v3 base score is 8.1 out of 10.