CVE-2026-25101

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.

References

• https://cert.pl/posts/2026/03/CVE-2026-25099
• https://github.com/bludit/bludit/releases/tag/3.17.2