What is GHSA-h5gm-rvw6-2xpx?

GHSA-h5gm-rvw6-2xpx is a security advisory published by GitHub Security Advisories with High severity. Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache...

Which CVE IDs does GHSA-h5gm-rvw6-2xpx cover?

GHSA-h5gm-rvw6-2xpx covers the following CVE IDs: CVE-2026-49434. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-h5gm-rvw6-2xpx?

GHSA-h5gm-rvw6-2xpx has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-h5gm-rvw6-2xpxHighCVSS 7.5

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

Vendor

GitHub Security Advisories

Published

June 30, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-49434 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-49434
https://lists.apache.org/thread/hcjh7kdk4l85tb9ksmvcnkhso1ngj50o
http://www.openwall.com/lists/oss-security/2026/06/29/8
https://github.com/advisories/GHSA-h5gm-rvw6-2xpx