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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.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-10 | Updated 2026-04-10 | Assigner VulnCheck




MEDIUM: 6.9CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N

MEDIUM: 6.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Problem types

CWE-404 Improper Resource Shutdown or Release

Product status

Default status
unaffected

Any version before 2026.3.24
affected

2026.3.24 (semver)
unaffected

Credits

Edward-x (@YLChen-007) reporter

References

github.com/...enclaw/security/advisories/GHSA-3298-56p6-rpw2 (GitHub Security Advisory (GHSA-3298-56p6-rpw2)) third-party-advisory

www.vulncheck.com/...tched-killprocesstree-in-shell-utils-ts (VulnCheck Advisory: OpenClaw < 2026.3.24 - Improper Process Termination via Unpatched killProcessTree in shell-utils.ts) third-party-advisory

cve.org (CVE-2026-35667)

nvd.nist.gov (CVE-2026-35667)

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