CVE-2026-32921: OpenClaw < 2026.3.8 - Script Content Modification via Mutable Operand Binding in system.run

Severity: medium (CVSS 5.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-31 · updated 2026-07-25
Weakness: CWE-367

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.

Affected products

OpenClaw: before 2026.3.8 — fixed in 2026.3.8

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.8. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/c76d29208bf6a7f058d2cf582519d28069e42240
https://github.com/openclaw/openclaw/commit/cf3a479bd1204f62eef7dd82b4aa328749ae6c91
https://github.com/openclaw/openclaw/security/advisories/GHSA-8g75-q649-6pv6
https://www.vulncheck.com/advisories/openclaw-script-content-modification-via-mutable-operand-binding-in-system-run

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