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CVE-2026-33384— Session Fixation in QuickCMS

Quick assessment

Affected
OpenSolution QuickCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QuickCMS是QuickCMS开源的一款内容管理系统。 QuickCMS存在授权问题漏洞，该漏洞源于允许在身份验证之前设置用户会话标识符，且该会话ID值在身份验证后保持不变，使攻击者能够固定受害者的会话ID并在之后劫持已验证的会话。

AI Predicted 6.5 Difficulty: Easy EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenSolution QuickCMS ≤ 6.8 affected
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I. Basic Information for CVE-2026-33384

Vulnerability Information
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Vulnerability Title
Session Fixation in QuickCMS
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
会话固定
Source: CVE Program / CVE List V5
Vulnerability Title
QuickCMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QuickCMS是QuickCMS开源的一款内容管理系统。 QuickCMS存在授权问题漏洞，该漏洞源于允许在身份验证之前设置用户会话标识符，且该会话ID值在身份验证后保持不变，使攻击者能够固定受害者的会话ID并在之后劫持已验证的会话。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenSolution QuickCMS 0 ~ 6.8 -

II. Public POCs for CVE-2026-33384

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III. Intelligence Information for CVE-2026-33384

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Security Blog Posts for CVE-2026-33384 (1)

Other References for CVE-2026-33384 (1)

IV. Related Vulnerabilities

Same product: QuickCMS
Same vendor: OpenSolution
Same weakness: CWE-384

V. Comments for CVE-2026-33384

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