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Apache JSPWiki Renders Wiki Markup Without Authentication, Exposing Sensitive Data

Last refreshed2026-09-26

Status: UPDATED  |  Advisory ID: CVE-2026-28814

Key Details

CVECVE-2026-28814
CVSS Score / Version7.5 (High) / CVSS v3.1
Updated2026-09-24
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is none; availability impact is none.
Affected productsApache JSPWiki
Classified asCWE-306 (Missing Authentication for Critical Function)
Exploitation prediction (EPSS)0.66% probability of exploitation in the next 30 days (49% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
ApacheJSPWiki
SubsystemsGeneral OT
SectorsMultiple

What to Know

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.

What to Do

Monitor Apache's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-28814
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-28814
Vendor advisoryhttps://lists.apache.org/thread/8vv0311bvrrqxsyn913pcwf7pctyk52w