Vulnerability in Openclaw
CVE-2026-32921
OpenClaw before 2026.3.8 contains an approval bypass vulnerability in system.run where mutable script operands are not bound across approval and execution phases. Attackers can obtain approval for script execution, modify the approved script file before execution, and execute different content while maintaining the same approved command shape.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (24.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.0% 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: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.3.8
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-8g75-q649-6pv6 (vendor-advisory, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/c76d29208bf6a7f058d2cf582519d28069e42240 (Patch, patch)
- github.com/openclaw/openclaw/commit/cf3a479bd1204f62eef7dd82b4aa328749ae6c91 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-script-content-modification-via-mutable-o… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-32921?
- CVE-2026-32921 is a medium-severity vulnerability in Openclaw, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.3/10. Published 2026-03-31.
- How severe is CVE-2026-32921?
- Medium severity. CVSS v3 base score is 6.3 out of 10.