p PatchFirst

CVE-2026-50591

CVE-2026-50591

This page contains facts from public vulnerability sources. Check the original advisory before updating.

In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.

CVSS 5.4 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • znuny

    Versions
    • ≥ 6.0.0, < 6.5.21: Affected (semver)
    • ≥ 7.0.0, < 7.3.3: Affected (semver)

    Update to 6.5.21; Update to 7.3.3

  • znuny Debian:12

    Versions
    • 6.3.2-3
    • 6.3.3-1
    • 6.3.3-1~bpo11+1
    • 6.3.4-1
    • 6.3.4-1~bpo11+1
    • 6.4.2-1
    • 6.4.2-1~bpo11+1
    • 6.4.2-2
    • 6.4.3-1
    • 6.4.3-1~bpo11+1
    • 6.4.4-1
    • 6.4.5-1
    • 6.4.5-1~bpo11+1
    • 6.4.5-2
    • 6.5.1-1
    • 6.5.10-1
    • 6.5.10-1~bpo12+1
    • 6.5.11-1
    • 6.5.11-1~bpo12+1
    • 6.5.13-1
    • 6.5.14-1
    • 6.5.14-1~bpo12+1
    • 6.5.15-1
    • 6.5.15-2
    • 6.5.15-2~bpo12+1
    • 6.5.16-1
    • 6.5.18-1
    • 6.5.18-1~bpo13+1
    • 6.5.19-1
    • 6.5.20-1
    • 6.5.21-1
    • 6.5.22-1
    • 6.5.22-1~bpo13+1
    • 6.5.23-1
    • 6.5.23-1~bpo13+1
    • 6.5.24-1
    • 6.5.24-1~bpo13+1
    • 6.5.25-1
    • 6.5.25-1~bpo13+1
    • 6.5.3-1
    • 6.5.3-1~bpo12+1
    • 6.5.4-1
    • 6.5.4-1~bpo12+1
    • 6.5.5-1
    • 6.5.5-1~bpo12+1
    • 6.5.6-1
    • 6.5.6-1~bpo12+1
    • 6.5.8-1
    • 6.5.8-1~bpo12+1
    • 6.5.9-1
    • 6.5.9-1~bpo12+1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • znuny Debian:13

    Versions
    • 6.3.2-3
    • 6.3.3-1
    • 6.3.3-1~bpo11+1
    • 6.3.4-1
    • 6.3.4-1~bpo11+1
    • 6.4.2-1
    • 6.4.2-1~bpo11+1
    • 6.4.2-2
    • 6.4.3-1
    • 6.4.3-1~bpo11+1
    • 6.4.4-1
    • 6.4.5-1
    • 6.4.5-1~bpo11+1
    • 6.4.5-2
    • 6.5.1-1
    • 6.5.10-1
    • 6.5.10-1~bpo12+1
    • 6.5.11-1
    • 6.5.11-1~bpo12+1
    • 6.5.13-1
    • 6.5.14-1
    • 6.5.14-1~bpo12+1
    • 6.5.15-1
    • 6.5.15-2
    • 6.5.15-2~bpo12+1
    • 6.5.16-1
    • 6.5.18-1
    • 6.5.18-1~bpo13+1
    • 6.5.19-1
    • 6.5.20-1
    • 6.5.21-1
    • 6.5.22-1
    • 6.5.22-1~bpo13+1
    • 6.5.23-1
    • 6.5.23-1~bpo13+1
    • 6.5.24-1
    • 6.5.24-1~bpo13+1
    • 6.5.25-1
    • 6.5.25-1~bpo13+1
    • 6.5.3-1
    • 6.5.3-1~bpo12+1
    • 6.5.4-1
    • 6.5.4-1~bpo12+1
    • 6.5.5-1
    • 6.5.5-1~bpo12+1
    • 6.5.6-1
    • 6.5.6-1~bpo12+1
    • 6.5.8-1
    • 6.5.8-1~bpo12+1
    • 6.5.9-1
    • 6.5.9-1~bpo12+1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • znuny Debian:14

    Versions
    • 6.3.2-3
    • 6.3.3-1
    • 6.3.3-1~bpo11+1
    • 6.3.4-1
    • 6.3.4-1~bpo11+1
    • 6.4.2-1
    • 6.4.2-1~bpo11+1
    • 6.4.2-2
    • 6.4.3-1
    • 6.4.3-1~bpo11+1
    • 6.4.4-1
    • 6.4.5-1
    • 6.4.5-1~bpo11+1
    • 6.4.5-2
    • 6.5.1-1
    • 6.5.10-1
    • 6.5.10-1~bpo12+1
    • 6.5.11-1
    • 6.5.11-1~bpo12+1
    • 6.5.13-1
    • 6.5.14-1
    • 6.5.14-1~bpo12+1
    • 6.5.15-1
    • 6.5.15-2
    • 6.5.15-2~bpo12+1
    • 6.5.16-1
    • 6.5.18-1
    • 6.5.18-1~bpo13+1
    • 6.5.19-1
    • 6.5.20-1
    • 6.5.3-1
    • 6.5.3-1~bpo12+1
    • 6.5.4-1
    • 6.5.4-1~bpo12+1
    • 6.5.5-1
    • 6.5.5-1~bpo12+1
    • 6.5.6-1
    • 6.5.6-1~bpo12+1
    • 6.5.8-1
    • 6.5.8-1~bpo12+1
    • 6.5.9-1
    • 6.5.9-1~bpo12+1
    Affected ranges
    • ECOSYSTEM: < 6.5.21-1

    Update to 6.5.21-1

  • otrs2 Ubuntu:16.04:LTS

    Versions
    • 4.0.10-1
    • 5.0.1-1
    • 5.0.1-2
    • 5.0.2-1
    • 5.0.3-1
    • 5.0.5-1
    • 5.0.6-1
    • 5.0.7-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • otrs2 Ubuntu:18.04:LTS

    Versions
    • 5.0.23-1
    • 5.0.24-1
    • 6.0.1-1
    • 6.0.2-1
    • 6.0.3-1
    • 6.0.4-1
    • 6.0.5-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • otrs2 Ubuntu:20.04:LTS

    Versions
    • 6.0.20-1
    • 6.0.23-2
    • 6.0.24-1
    • 6.0.25-1
    • 6.0.25-2
    • 6.0.25-3
    • 6.0.26-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • otrs2 Ubuntu:22.04:LTS

    Versions
    • 6.0.32-6
    • 6.1.2-1
    • 6.2.1-1
    • 6.2.2-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • znuny Ubuntu:24.04:LTS

    Versions
    • 6.5.3-1
    • 6.5.4-1
    • 6.5.5-1
    • 6.5.6-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • znuny Ubuntu:25.10

    Versions
    • 6.5.14-1
    • 6.5.15-2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • znuny Ubuntu:26.10

    Versions
    • 6.5.18-1
    • 6.5.20-1
    • 6.5.21-1
    • 6.5.22-1
    • 6.5.23-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • znuny Ubuntu:26.04:LTS

    Versions
    • 6.5.15-2
    • 6.5.18-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

Check your server →