Authorization bypass through user-controlled key in SINEC NMS - CVE-2026-25654
Published: April 24, 2026
Vulnerability identifier: #VU127498
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-25654
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
SINEC NMS
SINEC NMS
Detailed vulnerability description
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.
How to mitigate CVE-2026-25654
Install updates from vendor's website.