I, Librarian version 4.9 and earlier contains an Incorrect Access Control vulnerability in ajaxdiscussion.php that can result in any users gaining unauthorized access (read, write and delete) to project discussions.
https://github.com/mkucej/i-librarian/issues/124
Source: Mitre, NVD
Published: 2018-03-23
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.00307