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CVE-2026-28814— Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup Rendering

Quick assessment

Affected
Apache Software Foundation Apache JSPWiki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache jspwiki是美国Apache基金会开源的一款基于Java的Wiki引擎。 Apache JSPWiki 2.12.3及之前版本存在安全漏洞，该漏洞允许攻击者获取存储在JSPWiki变量中的敏感数据。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache JSPWiki < 2.12.4 affected
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I. Basic Information for CVE-2026-28814

Vulnerability Information
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Vulnerability Title
Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup Rendering
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache JSPWiki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache jspwiki是美国Apache基金会开源的一款基于Java的Wiki引擎。 Apache JSPWiki 2.12.3及之前版本存在安全漏洞，该漏洞允许攻击者获取存储在JSPWiki变量中的敏感数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache JSPWiki 0 ~ 2.12.4 -

II. Public POCs for CVE-2026-28814

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III. Intelligence Information for CVE-2026-28814

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Mailing List Discussions for CVE-2026-28814 (1)

Same Patch Batch · Apache Software Foundation · 2026-07-30 · 13 CVEs total

CVE-2026-66756 6.9 MEDIUM Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=fal
CVE-2026-66755 5.9 MEDIUM Apache Tika: Arbitrary Local File Read in ISArchiveParser
CVE-2026-23981 5.3 MEDIUM Apache Superset: Improper Authorization in Chart Update allowing Dashboard Modification
CVE-2026-23985 5.3 MEDIUM Apache Superset: Regular Expression Denial of Service (ReDoS) in SQL Parser
CVE-2026-44613 Apache Zeppelin: Cross-site request forgery in REST and WebSocket request handling
CVE-2026-44616 Apache Zeppelin: LDAP injection in ActiveDirectoryGroupRealm filter construction
CVE-2026-44617 Apache Zeppelin: LDAP filter injection in LdapRealm — incomplete fix of CVE-2024-31867
CVE-2026-28811 Apache JSPWiki: Error Handling - Reveals Error Details
CVE-2026-28812 Apache JSPWiki: UserManager does not sanity-check user database at startup
CVE-2026-28813 Apache JSPWiki: JSPWiki vulnerable to JSON hijacking
CVE-2026-48910 Apache JSPWiki: Markdown parser allows XSS injection in Markdown error processing
CVE-2026-52680 Apache Kyuubi: REST batch multipart upload path traversal allows controlled file write

IV. Related Vulnerabilities

Same product: Apache JSPWiki
Same vendor: Apache Software Foundation

V. Comments for CVE-2026-28814

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