How severe is CVE-2026-53814?

CVE-2026-53814 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-53814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53814?

CVE-2026-53814 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-53814?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-53814 have an EU (EUVD) identifier?

Yes. CVE-2026-53814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36320.

When was CVE-2026-53814 published?

CVE-2026-53814 was published on 2026-06-11 and last updated on 2026-06-17.

CVE-2026-53814

CVE-2026-53814 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.3. 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-266.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v4: 8.7
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36320
Weakness: CWE-266
Affected product: Openclaw
Published: 2026-06-11
Last modified: 2026-06-17

Description

OpenClaw before 2026.5.20 contains a privilege escalation vulnerability where hook-triggered agent runs incorrectly receive owner-scoped MCP loopback authority instead of hook-appropriate scope. Attackers with a valid hook token can exploit the /hooks/agent endpoint to cause spawned CLI runtimes to access or invoke owner-only MCP tools, potentially executing privileged actions like persistent cron state modifications.

Frequently asked questions

What is CVE-2026-53814?: OpenClaw before 2026.5.20 contains a privilege escalation vulnerability where hook-triggered agent runs incorrectly receive owner-scoped MCP loopback authority instead of hook-appropriate scope. Attackers with a valid hook token can exploit the /hooks/agent endpoint to cause spawned CLI runtimes to access or invoke owner-only MCP tools, potentially executing privileged actions like persistent cron state modifications.
How severe is CVE-2026-53814?: CVE-2026-53814 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-53814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53814?: CVE-2026-53814 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-53814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-53814 have an EU (EUVD) identifier?: Yes. CVE-2026-53814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36320.
When was CVE-2026-53814 published?: CVE-2026-53814 was published on 2026-06-11 and last updated on 2026-06-17.

References

Affected products (1)

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

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