CVE-2026-28812

Apache JSPWiki: UserManager does not sanity-check user database at startup

Published Jul 30, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-290
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache jspwiki
Vendors & Products Apache
Apache jspwiki
Type Values Removed Values Added
Description 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.
Title Apache JSPWiki: UserManager does not sanity-check user database at startup
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jul 31, 2026, 3:28 PM
Reserved
Mar 3, 2026, 3:01 PM
Status
Analyzed
Published
Jul 30, 2026, 4:17 PM
Modified
Oct 23, 2026, 10:10 PM