Critical 9.8Published Jul 30, 2026

CVE-2026-28812Apache JSPWiki: UserManager does not sanity-check user database at startup

Updated under an hour ago (Oct 26, 2026, 7:00 PM ET)

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It affects Apache Software Foundation Apache JSPWiki and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache JSPWiki

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-290
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Jul 31, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache JSPWiki apache_software_foundation:apache_jspwiki (from the name)	before 2.12.4	CNA record
apache jspwiki apache:jspwiki	before 2.12.4	NVD

References

References

https://lists.apache.org/thread/n3m666d6t6871dldvz3ct49ooqkbgw2p	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/07/30/15	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.