Which versions of Java are affected by CVE-2025-59954?

Organizations using Knowage face critical risk from CVE-2025-59954, a code injection vulnerability rated CVSS 9.3.. A patch is available.

Is there a public PoC exploit available for CVE-2025-59954?

Yes, a public proof-of-concept exploit is available for CVE-2025-59954. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-59954?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Validate that input sanitization is in place for all user-controlled parameters.

Java CVE-2025-59954

Q: What is the CVSS score of CVE-2025-59954?

CVE-2025-59954 has a CVSS 4.0 base score of 9.3 (Critical). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

CRITICAL

Code Injection (CWE-94)

2025-09-30 security-advisories@github.com

RCE Apache Java Code Injection Knowage Eng

9.3

CVSS 4.0 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

9.3 CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:15 vuln.today

Patch released

Mar 28, 2026 - 19:15 nvd

Patch available

PoC Detected

Oct 08, 2025 - 15:08 vuln.today

Public exploit code

CVE Published

Sep 30, 2025 - 11:37 nvd

CRITICAL 9.3

DescriptionGitHub Advisory

Knowage is an open source analytics and business intelligence suite. Versions 8.1.26 and below are vulnerable to Remote Code Exection through using an unsafe org.apache.commons.jxpath.JXPathContext in MetaService.java service. This issue is fixed in version 8.1.27.

AnalysisAI

Knowage is an open source analytics and business intelligence suite. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. Knowage is an open source analytics and business intelligence suite. Versions 8.1.26 and below are vulnerable to Remote Code Exection through using an unsafe org.apache.commons.jxpath.JXPathContext in MetaService.java service. This issue is fixed in version 8.1.27. Affected products include: Eng Knowage. Version information: version 8.1.27..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.