CVE-2026-49434

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

30/06/2026

Last modified:

02/07/2026

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:activemq::::::::		5.19.8 (excluding)
cpe:2.3:a:apache:activemq::::::::	6.0.0 (including)	6.2.7 (excluding)
cpe:2.3:a:apache:activemq_broker::::::::		5.19.8 (excluding)
cpe:2.3:a:apache:activemq_broker::::::::	6.0.0 (including)	6.2.7 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-49434

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools