CVE-2026-49434

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

HIGH
7.5
CVSS Score
Published: June 30, 2026 at 09:55 AM UTC
Updated: July 2, 2026 at 06:58 PM UTC
3 products affected across 1 vendorActiveMQApache ActiveMQ BrokerActiveMQ All

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.19.86.0.0 ≤ v < 6.2.76.0.0
Affected range stops below 5.19.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.7, so it looks safe — our inference, not a vendor statement
v < 5.19.86.0.0 ≤ v < 6.2.76.0.0
Affected range stops below 5.19.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.7, so it looks safe — our inference, not a vendor statement
v < 5.19.86.0.0 ≤ v < 6.2.76.0.0
Affected range stops below 5.19.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/06/29/8

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

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