Description
An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows excessive allocation which may lead to the abortion of the webserver.This issue affects OTRS:
* 8.0.X
* 2023.X
* 2024.X
* 2025.X
* 2026.X before 2026.4.X
Please note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OTRS | OTRS | 8.0.x, 2023.x, 2024.x, 2025.x, 2026.x – ≤ 2026.3.x | — |
| OTRS | ((OTRS)) Community Edition | — | — |
Advisories 1
- WID-SEC-2026-1748 OTRS: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 31, 2026