QuickCMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID
for a victim and later hijack the authenticated session.

This issue was fixed in a patch to version 6.8 published on 15.05.2026, deployments without this patch are still vulnerable.

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Fixes

Solution

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Workaround

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History

Fri, 29 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 29 May 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Opensolution
Opensolution quick.cms
Vendors & Products Opensolution
Opensolution quick.cms

Fri, 29 May 2026 16:15:00 +0000

Type Values Removed Values Added
Description QuickCMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session. This issue was fixed in a patch to version 6.8 published on 15.05.2026, deployments without this patch are still vulnerable.
Title Session Fixation in QuickCMS
Weaknesses CWE-384
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published:

Updated: 2026-05-29T17:31:52.144Z

Reserved: 2026-03-19T10:45:47.735Z

Link: CVE-2026-33384

cve-icon Vulnrichment

Updated: 2026-05-29T17:31:49.345Z

cve-icon NVD

Status : Deferred

Published: 2026-05-29T16:16:25.417

Modified: 2026-05-29T16:29:11.350

Link: CVE-2026-33384

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-29T17:45:04Z

Weaknesses