Medium severity · published Jul 22, 2025
CVE-2025-51479
Authorization bypass in update_user_group in onyx-dot-app Onyx Enterprise Edition 0.27.0 allows remote authenticated attackers to modify arbitrary user groups via crafted PATCH…
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
Authorization bypass in update_user_group in onyx-dot-app Onyx Enterprise Edition 0.27.0 allows remote authenticated attackers to modify arbitrary user groups via crafted PATCH requests to the /api/manage/admin/user-group/id endpoint, bypassing intended curator-group assignment checks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
Onyx · Onyx
0.27.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-51479
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-51479
Product
https://github.com/onyx-dot-app/onyx
Exploit
https://github.com/onyx-dot-app/onyx/pull/4714
Exploit
https://www.gecko.security/blog/cve-2025-51479
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