Description
An issue was discovered in Open Ticket Request System (OTRS) 6.0.x through 6.0.9, 5.0.x through 5.0.28, and 4.0.x through 4.0.30. An attacker who is logged into OTRS as an agent may escalate their privileges by accessing a specially crafted URL.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 11 | otrs2 | 6.0.10-1 | — |
| Debian 9 | otrs2 | 5.0.16-1+deb9u6 | DSA-4317-1 |
| Debian 8 | otrs2 | 3.3.18-1+deb8u5 | DLA-1473-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | otrs2 | No fix yet | — |
| Ubuntu 16.04 LTS | otrs2 | No fix yet | — |
Advisories 2
- DSA-4317-1 otrs2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1473-1 otrs2 - security update Debian Security (DSA / DLA) · Mar 9, 2026