CVE-2026-33384

Published May 29, 2026 CWE-384

Overview

CVE-2026-33384 is a known-severity vulnerability. It was published on May 29, 2026.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref cert.pl/posts/2026/05/CVE-2026-33384/ Ref opensolution.org/home.html

Frequently Asked Questions

What is CVE-2026-33384?

CVE-2026-33384 is a known-severity vulnerability. It was published on May 29, 2026.

How severe is CVE-2026-33384?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-33384?

How can CyberStrike help with CVE-2026-33384?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-33384 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.

Continuous Pentesting

Automated penetration testing that runs continuously, not just quarterly.

Code Review

AI-driven PR review catches vulnerable dependencies before they ship.

HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

Browse by year 2026