CVE-2026-35667

MEDIUM 6.1

OpenClaw < 2026.3.24 - Improper Process Termination via Unpatched killProcessTree in shell-utils.ts

CVSS Score

6.1

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.3.24 contains an incomplete fix for CVE-2026-27486 where the !stop chat command uses an unpatched killProcessTree function from shell-utils.ts that sends SIGKILL immediately without graceful SIGTERM shutdown. Attackers can trigger process termination via the !stop command, causing data corruption, resource leaks, and skipped security-sensitive cleanup operations.

CWE	CWE-404
Vendor	openclaw
Product	openclaw
Published	Apr 10, 2026
Last Updated	Apr 10, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Affected Versions

OpenClaw / OpenClaw

0 < 2026.3.24

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-3298-56p6-rpw2 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-improper-process-termination-via-unpatched-killprocesstree-in-shell-utils-ts

Credits

🔍 Edward-x (@YLChen-007)