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Session Fixation EUVD-2026-16581

| CVE-2026-25101 MEDIUM
Session Fixation (CWE-384)
2026-03-27 CERT-PL GHSA-fjj5-fj78-h28j
Information Disclosure Session Fixation
4.8
CVSS 4.0
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CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
3.17.2
EUVD ID Assigned
Mar 27, 2026 - 12:15 euvd
EUVD-2026-16581
Analysis Generated
Mar 27, 2026 - 12:15 vuln.today
CVE Published
Mar 27, 2026 - 11:55 nvd
MEDIUM 4.8

DescriptionNVD

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.

AnalysisAI

Bludit versions prior to 3.17.2 allow attackers to fix a victim's session identifier before authentication, with the session ID persisting unchanged after successful login, enabling authenticated session hijacking via session fixation. The vulnerability affects all Bludit instances below version 3.17.2 and requires local access and user interaction to exploit. …

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RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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EUVD-2026-16581 vulnerability details – vuln.today
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