CVE catalog
CVE-2026-49434
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 sea
- Severity
- High · CVSS 7.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.63% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | activemq | sid | 5.17.6+dfsg-2 | vulnerable |
| Debian | activemq | trixie | 5.17.6+dfsg-2 | vulnerable |
| Debian | activemq | bookworm | 5.17.2+dfsg-2+deb12u1 | vulnerable |
| Debian | activemq | bookworm-security | 5.17.2+dfsg-2+deb12u1 | vulnerable |
| Cpe | activemq | Not reported | Not reported | vulnerable |
| Cpe | activemq | Not reported | 5.19.8 | fixed |
| Cpe | activemq | Not reported | 6.2.7 | fixed |
| Cpe | activemq_broker | Not reported | 5.19.8 | fixed |
| Cpe | activemq_broker | Not reported | 6.2.7 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | activemq | source | sid | (unfixed) | not yet assigned | Not reported | [1141385] |
| Debian | activemq | source | trixie | (unfixed) | not yet assigned | Not reported | [1141385] |
| Debian | activemq | source | bookworm | (unfixed) | not yet assigned | Not reported | [1141385] |
| Cpe | activemq | cpe | Not reported | 5.19.8 | Not reported | Not reported | Not reported |
| Cpe | activemq | cpe | Not reported | 6.2.7 | Not reported | Not reported | Not reported |
| Cpe | activemq_broker | cpe | Not reported | 5.19.8 | Not reported | Not reported | Not reported |
| Cpe | activemq_broker | cpe | Not reported | 6.2.7 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [activemq]Affected
Details (4)
5.17.2+dfsg-2+deb12u1· all · bookwormAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
5.17.2+dfsg-2+deb12u1· all · bookwormAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
5.17.2+dfsg-2+deb12u1· all · bookworm-securityAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
5.17.2+dfsg-2+deb12u1· all · bookworm-securityAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
- [libactivemq-java]Affected
Source package: [activemq]
Details (4)
5.17.2+dfsg-2+deb12u1· all · bookwormAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
5.17.2+dfsg-2+deb12u1· all · bookwormAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
5.17.2+dfsg-2+deb12u1· all · bookworm-securityAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
5.17.2+dfsg-2+deb12u1· all · bookworm-securityAffected
nvd · activemq · debian · bookworm; nvd · activemq · debian · 12
[Debian 13 (Trixie)]
- [activemq]Affected
Details (2)
5.17.6+dfsg-2· all · trixieAffected
nvd · activemq · debian · 13
5.17.6+dfsg-2· all · trixieAffected
nvd · activemq · debian · 13
- [libactivemq-java]Affected
Source package: [activemq]
Details (2)
5.17.6+dfsg-2· all · trixieAffected
nvd · activemq · debian · 13
5.17.6+dfsg-2· all · trixieAffected
nvd · activemq · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-49434]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-49434]
- [https://security-tracker.debian.org/tracker/CVE-2026-49434]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49434.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3043.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]