CVE-2026-33384Session Fixation in QuickCMS
Updated under an hour ago ()
Does this affect you?
It affects OpenSolution QuickCMS. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.8 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-384
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CERT-PL
- NVD analysis
- Deferred
- Record last updated
- May 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
OpenSolution QuickCMS opensolution:quickcms (from the name) | through 6.8 | CNA record |
References
- https://cert.pl/posts/2026/05/CVE-2026-33384/third-party-advisory
- https://opensolution.org/home.htmlproduct
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.