Is this vulnerability remotely exploitable?

Yes, if an attacker can supply or influence `javax.naming.Reference` objects or serialized data consumed by the application, they may be able to trigger remote code loading and execution over the network.

What level of access does an attacker need to exploit this?

An attacker needs a path to inject or control the reference or serialized objects that are ultimately processed by components relying on mchange-commons-java's JNDI-like implementation. This can be via remote APIs, messaging systems, compromised configuration channels, or any data flow that leads into reference resolution code.

What is the safest general fix pattern?

The safest pattern is to disable or avoid JNDI-like remote codebase resolution entirely, ensure that mchange-commons-java (and dependent libraries such as c3p0) operate with restrictive defaults, and ensure that reference handling is limited to known, local classes rather than arbitrary remote URLs.

Severity:

CRITICAL RISK

(9.8)

Remote Code Download via JNDI-like Reference Handling (CWE-74) in mchange-commons-java

CVE-2026-27727

Published:

Feb 25, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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May 6, 2026

Vulnerability Type

Category:

Remote Code Execution via Unsafe Remote Class Loading

CWE:

CWE-74

Impact:

Remote Code Execution

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Remote Code Execution via Unsafe Remote Class Loading

CWE:

CWE-74

Impact:

Remote Code Execution

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

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Remote Code Download via JNDI-like Reference Handling (CWE-74) in mchange-commons-java

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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