CVE-2026-28812criticalCWE-290

CVE-2026-28812: critical vulnerability in Apache JSPWiki

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

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.7%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Apache Software Foundation · Apache JSPWiki
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