CVE-2026-25654 Missing authorization in SINEC NMS
An authenticated remote attacker can bypass authorization checks to reset the password of any arbitrary user account in Siemens SINEC NMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25654?
CVE-2026-25654 is a high-severity missing authorization vulnerability in Siemens SINEC NMS, published on 14 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP3). Affected products do not properly validate user authorization when processing password reset requests. This could allow an authenticated remote attacker to bypass authorization checks, leading to the ability to reset the password of any arbitrary user account.
Weakness: CWE-639
Which versions are affected by CVE-2026-25654?
How do I fix CVE-2026-25654?
No fix has been published for CVE-2026-25654 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-25654 being exploited?
There is no known exploitation of CVE-2026-25654 in the wild and no public exploit code.
Sources
Also known as GHSA-qw84-4pc7-fxvw.