Auth bypass in Openclaw
CVE-2026-43530
OpenClaw versions 2026.2.23 before 2026.4.12 contain a weakened exec approval binding vulnerability in busybox and toybox applet execution that allows attackers to obscure which applet would actually run. Attackers can exploit opaque multi-call binaries to bypass exec approval mechanisms and weaken risk classification of unsafe applet invocations.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% 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: 0.006 · change: +0.003
Affected products
- Openclaw — versions 2026.2.23, 2026.4.12
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-2cq5-mf3v-mx44 (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/666f48d9b882a8a1415ca53f9567c72499d850c9 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-weakened-exec-approval-binding-via-busybo… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-43530?
- CVE-2026-43530 is a high-severity vulnerability in Openclaw, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-05-05.
- How severe is CVE-2026-43530?
- High severity. CVSS v3 base score is 8.8 out of 10.