UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges. Users are recommended to upgrade to version 2.12.4 or newer which fixes this issue.
https://lists.apache.org/thread/n3m666d6t6871dldvz3ct49ooqkbgw2p
http://www.openwall.com/lists/oss-security/2026/07/30/15
Source: Mitre, NVD
Published: 2026-07-30
Updated: 2026-08-05
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00159