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CVE-2026-28408

Wegia authentication bypass

9.8 CRITICALPublic exploitEPSS 0.67%
  1. Published27 Feb 2026

Description

WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, the script in adicionar_tipo_docs_atendido.php does not go through the project's central controller and does not have its own authentication and permission checks. A malicious user could make a request through tools like Postman or the file's URL on the web to access features exclusive to employees. The vulnerability allows external parties to inject unauthorized data in massive quantities into the application server's storage. Version 3.6.5 fixes the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Wegia< 3.6.5

Remediation

Fixed in
Wegia≥ 3.6.5

References

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Frequently asked

Is CVE-2026-28408 being actively exploited?

CVE-2026-28408 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.67%.

How severe is CVE-2026-28408?

CVE-2026-28408 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.67% probability of exploitation.

Which products are affected by CVE-2026-28408?

Affected products include Wegia.

How do I fix CVE-2026-28408?

Upgrade affected software to a fixed version, for example Wegia 3.6.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-28408 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.