CVE-2026-50750
Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire DoS following fix for CVE-2026-49270
Description
Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue.
INFO
Published Date :
June 30, 2026, 11:16 a.m.
Last Modified :
July 2, 2026, 6:42 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-50750
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache ActiveMQ to version 6.2.7 or later.
- Apply vendor patches for Apache ActiveMQ Broker.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-50750.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr | Vendor Advisory Mailing List |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-50750 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-50750
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-50750 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-50750 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 02, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:activemq:5.19.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:activemq:6.2.6:*:*:*:*:*:*:* *cpe:2.3:a:apache:activemq_broker:5.19.7:*:*:*:*:*:*:* *cpe:2.3:a:apache:activemq_broker:6.2.6:*:*:*:*:*:*:* Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr Types: Mailing List, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-400 Added SSVC {'id': 'CVE-2026-50750', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-30T13:21:40.113842Z'} -
New CVE Received by [email protected]
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache ActiveMQ Broker', 'versions': [{'status': 'affected', 'version': '5.19.7', 'lessThan': '5.19.8', 'versionType': 'semver'}, {'status': 'affected', 'version': '6.2.6', 'lessThan': '6.2.7', 'versionType': 'semver'}], 'packageName': 'org.apache.activemq:activemq-broker', 'collectionURL': 'https://repo.maven.apache.org/maven2', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache ActiveMQ', 'versions': [{'status': 'affected', 'version': '5.19.7', 'lessThan': '5.19.8', 'versionType': 'semver'}, {'status': 'affected', 'version': '6.2.6', 'lessThan': '6.2.7', 'versionType': 'semver'}], 'packageName': 'org.apache.activemq:apache-activemq', 'collectionURL': 'https://repo.maven.apache.org/maven2', 'defaultStatus': 'unaffected'}, {'vendor': 'Apache Software Foundation', 'product': 'Apache ActiveMQ All', 'versions': [{'status': 'affected', 'version': '5.19.7', 'lessThan': '5.19.8', 'versionType': 'semver'}, {'status': 'affected', 'version': '6.2.6', 'lessThan': '6.2.7', 'versionType': 'semver'}], 'packageName': 'org.apache.activemq:activemq-all', 'collectionURL': 'https://repo.maven.apache.org/maven2', 'defaultStatus': 'unaffected'}] Added Description Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue. Added Reference https://lists.apache.org/thread/nhkmbdym61yp6wwy0dny8w1p46sm87kr