CVE-2025-15563 Broken Access Control results in Denial of Service in NesterSoft WorkTime

Medium 5.3 Published 19 Feb 2026 Updated 20 Feb 2026

Unauthenticated attackers can reset the database configuration via an HTTP request, causing denial of service and data modification.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-15563?

CVE-2025-15563 is a medium-severity missing authorization vulnerability in NesterSoft Inc. WorkTime (on-prem/cloud), published on 19 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Any unauthenticated user can reset the WorkTime on-prem database configuration by sending a specific HTTP request to the WorkTime server. No authorization check is applied here.

Weakness: CWE-862

Which versions are affected by CVE-2025-15563?

It affects 1 product.

Products include Nestersoft Worktime.

How do I fix CVE-2025-15563?

No fix has been published for CVE-2025-15563 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-2025-15563 being exploited?

There is no known exploitation of CVE-2025-15563 in the wild and no public exploit code.

Sources

Also known as GHSA-fr87-mwgv-wmcc.