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Znuny Professional Services

The ((OTRS)) Community Edition Fork with long-term Support (LTS)

Overview

Znuny LTS 6.5.21 (2026-05-27)

This version of Znuny LTS includes security fixes for reported vulnerabilities, along with improvements and bug fixes.

Type
Patchlevel
Security
Yes
Bugfixes

Security Fixes

  • CVE-2025-26843: Fixed infinite loop on replacing tags in the template generator.
  • CVE-2025-59490: Follow-up fix for scrambled script tags.
  • Fixed XSS via JavaScript in URL parameters in the communication log admin view.
  • Fixed XSS in user preferences DB.

Bug Fixes

  • Fixed: Package manager does not use the user ID for package operations.

Read about all changes in the CHANGES.md. See the commits on GitHub for a list of all changes.

Download

Typ / URL SHA256 Sum
Source .tar.gz TODO-SHA256
Source .bz2 TODO-SHA256
Source .zip TODO-SHA256
RPM RHEL 7 / CentOS 7 TODO-SHA256
RPM SuSE 12 TODO-SHA256
RPM SuSE 13 TODO-SHA256
RPM Fedora 25 TODO-SHA256
RPM Fedora 26 TODO-SHA256
SRPM RHEL 7 / CentOS 7 TODO-SHA256
SRPM SuSE 12 TODO-SHA256
SRPM SuSE 13 TODO-SHA256
SRPM Fedora 25 TODO-SHA256
SRPM Fedora 26 TODO-SHA256