How severe is CVE-2026-53863?

CVE-2026-53863 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2026-53863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53863?

CVE-2026-53863 primarily affects Openclaw. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-53863?

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-2026-53863 have an EU (EUVD) identifier?

Yes. CVE-2026-53863 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37165.

When was CVE-2026-53863 published?

CVE-2026-53863 was published on 2026-06-16 and last updated on 2026-06-17.

CVE-2026-53863

CVE-2026-53863 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.1. 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-639.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 6.0
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37165
Weakness: CWE-639
Affected product: Openclaw
Published: 2026-06-16
Last modified: 2026-06-17

Description

OpenClaw before 2026.4.25 contains an input validation vulnerability in tool group policy callers that accept unvalidated group IDs. Attackers who can supply a group ID to the policy resolver could trigger incorrect group-policy decisions for tool invocations, potentially bypassing intended access controls.

Frequently asked questions

What is CVE-2026-53863?: OpenClaw before 2026.4.25 contains an input validation vulnerability in tool group policy callers that accept unvalidated group IDs. Attackers who can supply a group ID to the policy resolver could trigger incorrect group-policy decisions for tool invocations, potentially bypassing intended access controls.
How severe is CVE-2026-53863?: CVE-2026-53863 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2026-53863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53863?: CVE-2026-53863 primarily affects Openclaw. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-53863?: 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-2026-53863 have an EU (EUVD) identifier?: Yes. CVE-2026-53863 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37165.
When was CVE-2026-53863 published?: CVE-2026-53863 was published on 2026-06-16 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta1:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta10:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta11:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta2:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta3:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta4:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta5:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta6:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta7:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta8:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.4.25:beta9:*:*:*:node.js:*:*

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