CVE-2026-25101

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-384

Affected software

Vendor	Product	Versions
Bludit	Bludit	< 3.17.2

References

https://cert.pl/posts/2026/03/CVE-2026-25099Third Party Advisory
https://github.com/bludit/bludit/releases/tag/3.17.2Release Notes

Timeline

Published: Mar 27, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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