# CVE-2026-77026

## Summary

- **CVE ID:** CVE-2026-77026
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N)
- **CWE:** CWE-602
- **Published:** Aug 20, 2026
- **Last Modified:** Aug 21, 2026

## Description

Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5 - The front-end Submissions view did not enforce access control. An unauthenticated visitor could therefore list a form's submissions.

## Affected Products

- tassos.gr — Convert Forms extension for Joomla (1.0.0-5.2.5)

## References

- [CNA](https://www.tassos.gr/joomla-extensions/convert-forms)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 18.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._