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

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

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Feb 2026
- **Updated:** 20 Feb 2026
- **Also known as:** GHSA-fr87-mwgv-wmcc

## 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 (Missing Authorization)

## Which versions are affected by CVE-2025-15563?

It affects 1 product.


Products: 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.

## Is CVE-2025-15563 being exploited?

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

## Other vulnerabilities in NesterSoft Inc. WorkTime (on-prem/cloud)

- [CVE-2025-15559](https://insights.sbomify.com/CVE-2025-15559/): Unauthenticated OS Command Injection in NesterSoft WorkTime (critical 9.8)
- [CVE-2025-15560](https://insights.sbomify.com/CVE-2025-15560/): SQL Injection in NesterSoft WorkTime (high 8.8)
- [CVE-2025-15561](https://insights.sbomify.com/CVE-2025-15561/): Local Privilege Escalation in NesterSoft WorkTime (high 7.8)
- [CVE-2025-15562](https://insights.sbomify.com/CVE-2025-15562/): Reflected Cross-Site Scripting in NesterSoft WorkTime (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15563 and fix it if it is affected.

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

Affected product: NesterSoft Inc. WorkTime (on-prem/cloud). No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-15563/ (Markdown: https://insights.sbomify.com/CVE-2025-15563/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15563
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15563
- OSV: https://osv.dev/vulnerability/CVE-2025-15563

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-15563/
Summaries are generated and may contain mistakes; the official description above is the record.