Security Advisory

CVE-2026-40082

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-25 22:33:45

Last updated 2026-06-26 18:42:09

Assigner GitHub_M

CVSS score 5.4

State PUBLISHED

Description

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have missing session_regenerate_id() after login, leading to Session Fixation. session_regenerate_id() is NOT called after successful login. The login flow at auth_login.php:203-207 directly sets $_SESSION[SESS_USER_ID] without rotating the session ID. The session cookie configuration is otherwise good (httponly=true, samesite=Strict, secure=true for HTTPS at include/global.php:513-537), but these do not prevent session fixation via same-site vectors. This issue has been fixed in version 1.2.31.

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