How severe is CVE-2026-35667?

CVE-2026-35667 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-35667 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35667?

CVE-2026-35667 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35667?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-35667 have an EU (EUVD) identifier?

Yes. CVE-2026-35667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21480.

When was CVE-2026-35667 published?

CVE-2026-35667 was published on 2026-04-10 and last updated on 2026-06-17.

CVE-2026-35667

CVE-2026-35667 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 6.9
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21480
Weakness: CWE-404
Affected product: Openclaw
Published: 2026-04-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-35667?: 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.
How severe is CVE-2026-35667?: CVE-2026-35667 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-35667 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35667?: CVE-2026-35667 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35667?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35667 have an EU (EUVD) identifier?: Yes. CVE-2026-35667 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21480.
When was CVE-2026-35667 published?: CVE-2026-35667 was published on 2026-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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