CVE-2026-25101— Session Fixation in Bludit
Quick assessment
Affected
Bludit Bludit
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.
Bludit是Bludit开源的一套开源的轻量级博客内容管理系统（CMS）。 Bludit 3.17.2之前版本存在授权问题漏洞，该漏洞源于允许在身份验证前设置会话标识符，可能导致会话劫持。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-25101
Vulnerability Information
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Vulnerability Title
Session Fixation in Bludit
Source: CVE Program / CVE List V5
Vulnerability Description
Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID
for a victim and later hijack the authenticated session.
This issue was fixed in version 3.17.2.
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
Bludit 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bludit是Bludit开源的一套开源的轻量级博客内容管理系统（CMS）。 Bludit 3.17.2之前版本存在授权问题漏洞，该漏洞源于允许在身份验证前设置会话标识符，可能导致会话劫持。
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
II. Public POCs for CVE-2026-25101
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-25101 (1)
-
Podatności w oprogramowaniu Bludit | CERT Polska third-party-advisory
Vendor Pages for CVE-2026-25101 (1)
-
Release Bludit v3.17.2 · bludit/bludit · GitHub release-notes
Same Patch Batch · Bludit · 2026-03-27 · 3 CVEs total
| CVE-2026-25100 | Stored XSS via SVG File Upload in Bludit | |
| CVE-2026-25099 | Remote Code Execution via Unrestricted File Upload in Bludit |
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Same weakness: CWE-384
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V. Comments for CVE-2026-25101
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