CVE-2026-53863

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.

CVSS v3.1 Score

7.1

HIGH

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

EPSS — Exploit Prediction

0.0017

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.4.25
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All
openclaw	openclaw	All

References

Advisories & Patches

https://github.com/openclaw/openclaw/security/advisories/GHSA-985f-72mj-8gf7

Other References

https://www.vulncheck.com/advisories/openclaw-unvalidated-group-id-acceptance-in-tool-group-policy

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. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-53863? +

CVE-2026-53863 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-53863? +

CVE-2026-53863 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-53863? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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