Apache JSPWiki <2.12.3: Arbitrary Markup Renders Sensitive Data
CVE-2026-28814 Published on July 30, 2026

Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup Rendering
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-28814 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Missing Authentication for Critical Function

The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.


Products Associated with CVE-2026-28814

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Apache JSPWiki
 

Affected Versions

Apache Software Foundation Apache JSPWiki: