How severe is CVE-2026-28409?

CVE-2026-28409 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-28409 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28409?

CVE-2026-28409 affects Wegia. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28409?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-28409 have an EU (EUVD) identifier?

Yes. CVE-2026-28409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9080.

When was CVE-2026-28409 published?

CVE-2026-28409 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-28409

CVE-2026-28409 is a critical-severity vulnerability in Wegia with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9080
Weakness: CWE-78
Affected product: Wegia
Published: 2026-02-27
Last modified: 2026-06-17

Description

WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, a critical Remote Code Execution (RCE) vulnerability exists in the WeGIA application's database restoration functionality. An attacker with administrative access (which can be obtained via the previously reported Authentication Bypass) can execute arbitrary OS commands on the server by uploading a backup file with a specifically crafted filename. Version 3.6.5 fixes the issue.

Frequently asked questions

What is CVE-2026-28409?: WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, a critical Remote Code Execution (RCE) vulnerability exists in the WeGIA application's database restoration functionality. An attacker with administrative access (which can be obtained via the previously reported Authentication Bypass) can execute arbitrary OS commands on the server by uploading a backup file with a specifically crafted filename. Version 3.6.5 fixes the issue.
How severe is CVE-2026-28409?: CVE-2026-28409 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-28409 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28409?: CVE-2026-28409 affects Wegia. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28409?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-28409 have an EU (EUVD) identifier?: Yes. CVE-2026-28409 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9080.
When was CVE-2026-28409 published?: CVE-2026-28409 was published on 2026-02-27 and last updated on 2026-06-17.

References

https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-5m5g-q2vv-rv3r

Affected products (1)

cpe:2.3:a:wegia:wegia:*:*:*:*:*:*:*:*

More vulnerabilities in Wegia

CVE-2025-26615 — Critical (CVSS 10.0): WeGIA is an open source Web Manager for Institutions with a focus on Portuguese language users. A Path Traversal…
CVE-2025-58745 — Critical (CVSS 9.9): WeGIA is a Web manager for charitable institutions. The fix for CVE-2025-22133 was not enough to remediate the…
CVE-2025-58159 — Critical (CVSS 9.9): WeGIA is a Web manager for charitable institutions. Prior to version 3.4.11, a remote code execution vulnerability was…
CVE-2025-22133 — Critical (CVSS 9.9): WeGIA is a web manager for charitable institutions. Prior to 3.2.8, a critical vulnerability was identified in the…
CVE-2026-31896 — Critical (CVSS 9.8): WeGIA is a web manager for charitable institutions. Prior to version 3.6.6, a critical SQL injection vulnerability…
CVE-2026-28411 — Critical (CVSS 9.8): WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, an unsafe use of the `extract()` function…

All CVEs affecting Wegia →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →