Authorization bypass through user-controlled key in SINEC NMS - CVE-2026-25654

 

Authorization bypass through user-controlled key in SINEC NMS - CVE-2026-25654

Published: April 24, 2026


Vulnerability identifier: #VU127498
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-25654
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected application does not properly validate user authorization when processing password reset requests. A remote user can bypass authorization checks and reset the password of any arbitrary user account.


Affected software

SINEC NMS

How to mitigate CVE-2026-25654

Install updates from vendor's website.

SINEC NMS - update to 4.0 SP3

External References

Related Security Bulletins