CVE-2026-49434CWE-20

Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: LdapNetworkConnector instantiates denied transports and a remote-properties broker

High · published June 30, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
49.6
In the wild
Unconfirmed
What it is

Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.

An attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used to fetch an attacker URL and spawn a second BrokerService inside the same JVM.

This issue affects Apache ActiveMQ Broker: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7.

Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00630 · 49.6th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-06-30T09:55Z
EPSS history
Timeline
  • 30 JUN 09:55Z
    Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: LdapNetworkConnector instantiates denied transports and a remote-properties broker
    cvelistv5