Answer in brief
CVE-2026-77145 records a High severity (CVSS 7.1) vulnerability in Broken Access Control in extension "Events 2" (events2). The current sources do not mark it as known exploited. The current feed maps TYPO3/Extension "Events 2" (generic), TYPO3/Extension "Events 2" (generic), TYPO3/jweiland/events2 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps TYPO3/Extension "Events 2" (generic), TYPO3/Extension "Events 2" (generic), TYPO3/jweiland/events2 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| TYPO3/Extension "Events 2"generic | >=10.0.0 <10.2.12 | 10.2.12 |
| TYPO3/Extension "Events 2"generic | >=10.0.0 <10.2.12 || >=9.0.0 <9.4.2 || >=0 <8.6.3 | 10.2.12, 9.4.2, 8.6.3 |
| TYPO3/jweiland/events2generic | >=10.0.0 <10.2.12 || >=9.0.0 <9.4.2 || >=0 <8.6.3 | 10.2.12, 9.4.2, 8.6.3 |
Published upstream
Aug 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 25, 2026
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.
Quoted source text, attributed separately from HOL analysis.