CVE-2026-49434

EUVD-2026-40285
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 50.71%
Affected Products (NVD)
VendorProductVersion
apacheactivemq
𝑥
< 5.19.8
apacheactivemq
6.0.0 ≤
𝑥
< 6.2.7
apacheactivemq_broker
𝑥
< 5.19.8
apacheactivemq_broker
6.0.0 ≤
𝑥
< 6.2.7
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
apacheactivemq_all
𝑥
< 5.19.8
CNA
apacheactivemq_all
6.0.0 ≤
𝑥
< 6.2.7
CNA
Debian logo
Debian Releases
Debian Product
Codename
activemq
bookworm
vulnerable
bookworm (security)
vulnerable
sid
vulnerable
trixie
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
activemq
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
stonking
needs-triage
xenial
needs-triage