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.

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 scri…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (20.5th percentile) — read the EPSS interpretation.

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.

Affected products

Openclaw — versions 0, 2026.3.8

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

GitHub Security Advisory (GHSA-8g75-q649-6pv6) (third-party-advisory)
Patch Commit #1 (patch)
Patch Commit #2 (patch)
VulnCheck Advisory: OpenClaw < 2026.3.8 - Script Content Modification via Mutable Operand Binding in system.run (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.