CVE-2026-32921

OpenClaw < 2026.3.8 - Script Content Modification via Mutable Operand Binding in system.run

State: Published
Severity: 5.3 Medium
Published: Mar 31, 2026
Updated: Jun 23, 2026
Reserved: Mar 16, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	VulnCheck

Weaknesses

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

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.8Affected 2026.3.8Not affected

References

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

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