What’s Vulnerable › Vulnerabilities
CVE-2026-77145: Broken Access Control in extension "Events 2" (events2)
- Severity: high (CVSS 7.1 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-25 · updated 2026-09-28
- Weakness: CWE-639
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.
Affected products
- TYPO3 Extension "Events 2": from 10.0.0 before 10.2.12; from 9.0.0 before 9.4.2; before 8.6.3 — fixed in 10.2.12, 8.6.3, 9.4.2
How to fix
Upgrade to a fixed version: TYPO3 Extension "Events 2" 10.2.12, 8.6.3, 9.4.2. Check the vendor advisory for mitigations.
References
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