CVE-2026-77145
Broken Access Control in extension "Events 2" (events2)
- State
- Published
- Severity
- 7.1 High
- Published
- Aug 25, 2026
- Updated
- Aug 27, 2026
- Reserved
- Aug 20, 2026
Description
The permission check for the frontend management update flow verified a different event than the one the request went on to modify. A user with frontend event management access could therefore modify events belonging to other organizers.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N | TYPO3 |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
Extension "Events 2"TYPO3 |
|
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-026vendor-advisory
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