What’s Vulnerable › Vulnerabilities

CVE-2026-35667: OpenClaw < 2026.3.24 - Improper Process Termination via Unpatched killProcessTree in shell-utils.ts

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-10 · updated 2026-06-17
• Weakness: CWE-404

Description

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.

Affected products

• OpenClaw: before 2026.3.24 — fixed in 2026.3.24

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.24. Check the vendor advisory for mitigations.

References

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

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