CVE-2026-28814

Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup Rendering

State: Published
Severity: 7.5 High
Published: Jul 30, 2026
Updated: Jul 31, 2026
Reserved: Mar 3, 2026

Description

Arbitrary Wiki Markup rendering due to lack of authentication in Apache JSPWiki up to 2.12.3 allows attacker to obtain sensitive data stored in JSPWiki variables. Users are recommended to upgrade to version 2.12.4 or 3.0.0, which fixes this issue.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
Apache JSPWikiApache Software Foundation	before 2.12.4Affected

References

https://lists.apache.org/thread/8vv0311bvrrqxsyn913pcwf7pctyk52wvendor-advisory
http://www.openwall.com/lists/oss-security/2026/07/30/17

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