How severe is CVE-2026-53816?

CVE-2026-53816 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-53816 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53816?

CVE-2026-53816 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-53816?

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-2026-53816 have an EU (EUVD) identifier?

Yes. CVE-2026-53816 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36322.

When was CVE-2026-53816 published?

CVE-2026-53816 was published on 2026-06-11 and last updated on 2026-06-17.

CVE-2026-53816

CVE-2026-53816 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.2. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36322
Weakness: CWE-862
Affected product: Openclaw
Published: 2026-06-11
Last modified: 2026-06-17

Description

OpenClaw before 2026.5.18 contains an insufficient provenance validation vulnerability in node event handling that allows paired nodes to forge exec lifecycle events without system.run authorization. A malicious or compromised paired node can send crafted node.event messages to the gateway, steering target sessions into exec-event paths that expose capabilities the reduced node surface should not provide.

Frequently asked questions

What is CVE-2026-53816?: OpenClaw before 2026.5.18 contains an insufficient provenance validation vulnerability in node event handling that allows paired nodes to forge exec lifecycle events without system.run authorization. A malicious or compromised paired node can send crafted node.event messages to the gateway, steering target sessions into exec-event paths that expose capabilities the reduced node surface should not provide.
How severe is CVE-2026-53816?: CVE-2026-53816 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-53816 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53816?: CVE-2026-53816 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-53816?: 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-2026-53816 have an EU (EUVD) identifier?: Yes. CVE-2026-53816 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36322.
When was CVE-2026-53816 published?: CVE-2026-53816 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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