Improper access control in Apache JSPWiki - CVE-2026-28812
Published: August 25, 2026
Vulnerability identifier: #VU145179
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28812
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges.
The vulnerability exists due to improper access control in UserManager when processing the user database at startup. A remote user can manipulate the user database to escalate privileges.
Affected software
Apache JSPWiki
How to mitigate CVE-2026-28812
Install security update from vendor's website.
Apache JSPWiki - update to 2.12.4