Authorization Bypass in Onyx Enterprise Edition Affects User Group Management
CVE-2025-51479

5.4MEDIUM

Key Information:

Vendor

Onyx

Status
Onyx Enterprise Edition
Vendor
CVE Published:
22 July 2025

What is CVE-2025-51479?

A security vulnerability in Onyx Enterprise Edition 0.27.0 allows remote authenticated attackers to bypass intended user group assignment checks. By crafting malicious PATCH requests to the /api/manage/admin/user-group/id endpoint, attackers can modify arbitrary user groups, potentially compromising user permissions and security integrity within the application.

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References

https://github.com/onyx-dot-app/onyx
https://github.com/onyx-dot-app/onyx/pull/4714
https://www.gecko.security/blog/cve-2025-51479

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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