CVE-2026-53863

Name: CVE-2026-53863
Creator: NVD / NIST
Published: 2026-06-16T19:17:04.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2026-53863 is a medium-severity vulnerability rated 6/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

CVSS 4.0

6/10

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.17%

6.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions	Update
Openclaw	Openclaw	< 2026.4.25	—
Openclaw	Openclaw	2026.4.25	Beta1

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-985f-72mj-8gf7Vendor Advisory, Mitigation
https://www.vulncheck.com/advisories/openclaw-unvalidated-group-id-acceptance-in-tool-group-policyThird Party Advisory

Timeline

Published: Jun 16, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-53863?

How severe is CVE-2026-53863?

CVE-2026-53863 has a CVSS score of 6/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-53863?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-53863?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST