app/Controller/EventsController.php in MISP before 2.5.24 has invalid logic in checking for uploaded file validity, related to tmp_name.
https://github.com/misp/misp/commit/6867f0d3157a1959154bdad9ddac009dec6a19f5
https://github.com/MISP/MISP/compare/v2.5.23...v2.5.24
Source: Mitre, NVD
Published: 2025-11-28
Updated: 2026-04-15
Base Score: 7.3
Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:C/A:P
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
EPSS: 0.00035