What is the CVSS score of CVE-2025-63690?

CVE-2025-63690 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 1.3%.

Which versions of Java are affected by CVE-2025-63690?

Organizations using pig-mesh Pig face critical risk from CVE-2025-63690 rated CVSS 9.1.

Is there a public PoC exploit available for CVE-2025-63690?

Yes, a public proof-of-concept exploit is available for CVE-2025-63690. Prioritise patching immediately. EPSS: 1.3%.

How to fix or mitigate CVE-2025-63690?

Within 24 hours: Identify all affected systems running pig-mesh Pig and apply vendor patches immediately. Monitor vendor channels for patch availability.

Java CVE-2025-63690

CRITICAL

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') (CWE-470)

2025-11-07 cve@mitre.org

RCE Java Tomcat Pig

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

PoC Detected

Dec 08, 2025 - 16:10 vuln.today

Public exploit code

CVE Published

Nov 07, 2025 - 16:15 nvd

CRITICAL 9.1

DescriptionCVE.org

In pig-mesh Pig versions 3.8.2 and below, when setting up scheduled tasks in the Quartz management function under the system management module, it is possible to execute any Java class with a parameterless constructor and its methods with parameter type String through reflection. At this time, the eval method in Tomcat's built-in class jakarta.el.ELProcessor can be used to execute commands, leading to a remote code execution vulnerability.

AnalysisAI

In pig-mesh Pig versions 3.8.2 and below, when setting up scheduled tasks in the Quartz management function under the system management module, it is possible to execute any Java class with a. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-470. In pig-mesh Pig versions 3.8.2 and below, when setting up scheduled tasks in the Quartz management function under the system management module, it is possible to execute any Java class with a parameterless constructor and its methods with parameter type String through reflection. At this time, the eval method in Tomcat's built-in class jakarta.el.ELProcessor can be used to execute commands, leading to a remote code execution vulnerability. Affected products include: Pig4Cloud Pig.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.