CVE-2026-49434

HIGH

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

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-49434. PoCs published by HermesNA-1.

AI-analyzed exploit summary This repository contains an auto-generated stub module for CVE-2026-49434, an improper input validation vulnerability in Apache ActiveMQ. The code includes placeholder logic for target probing but lacks actual exploit implementation or technical details about the vulnerability mechanics.

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.

Exploits (1)

github STUB 1 stars
by HermesNA-1 · pythonpoc
https://github.com/HermesNA-1/SnakeSploit/tree/main/data/modules_generated/cve-2026-49434_improper_input_validation.py

This repository contains an auto-generated stub module for CVE-2026-49434, an improper input validation vulnerability in Apache ActiveMQ. The code includes placeholder logic for target probing but lacks actual exploit implementation or technical details about the vulnerability mechanics.

Classification
Stub 99%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All
No auth needed
Prerequisites: Network access to the target ActiveMQ instance · LDAP access to publish/modify entries matching configured search filters (implied by description)
mistral-large-3 · analyzed Jul 09, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0066
EPSS Percentile 47.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (8)
apache/activemq < 5.19.8
apache/activemq_broker < 5.19.8
Apache Software Foundation/Apache ActiveMQ < 5.19.8
Apache Software Foundation/Apache ActiveMQ 6.0.0 - 6.2.7
Apache Software Foundation/Apache ActiveMQ All < 5.19.8
Apache Software Foundation/Apache ActiveMQ All 6.0.0 - 6.2.7
Apache Software Foundation/Apache ActiveMQ Broker < 5.19.8
Apache Software Foundation/Apache ActiveMQ Broker 6.0.0 - 6.2.7
Published Jun 30, 2026
Tracked Since Jun 30, 2026