Apache ActiveMQ 5.19.7 < 5.19.8 / 6.2.6 < 6.2.7 DoS

high Nessus Plugin ID 324952

Synopsis

The remote host is running a web application that is affected by a denial of service vulnerability.

Description

The version of Apache ActiveMQ running on the remote host is 5.19.7 prior to 5.19.8 or 6.2.6 prior to 6.2.7. It is, therefore, affected by a denial of service vulnerability.

- Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.
Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. (CVE-2026-50750)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Apache ActiveMQ version 5.19.8, 6.2.7, or later.

See Also

http://www.nessus.org/u?44420d21

Plugin Details

Severity: High

ID: 324952

File Name: activemq_CVE-2026-50750.nasl

Version: 1.1

Type: Combined

Agent: unix

Family: CGI abuses

Published: 7/3/2026

Updated: 7/3/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.71

CVSS v2

Risk Factor: High

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-50750

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:apache:activemq

Required KB Items: installed_sw/Apache ActiveMQ

Patch Publication Date: 6/29/2026

Vulnerability Publication Date: 6/29/2026

Reference Information

CVE: CVE-2026-50750

IAVA: 2026-B-0181