CVE-2026-74761
Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Spoofing of RemoveSubscription clientId
Description
Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ All: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ: before 5.19.11, from 6.0.0 before 6.3.2. Users are recommended to upgrade to version 6.3.2 or 5.19.11 which fixes the issue.
INFO
Published Date :
Sept. 9, 2026, 12:17 p.m.
Last Modified :
Sept. 18, 2026, 2:37 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-74761
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 6.3.2 or 5.19.11.
- Apply vendor patches or updates promptly.
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-2026-74761.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/09/08/12 | 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-2026-74761 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-2026-74761
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-2026-74761 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74761 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]
Sep. 18, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:* versions up to (excluding) 5.19.11 *cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.3.2 *cpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:* versions up to (excluding) 5.19.11 *cpe:2.3:a:apache:activemq_all:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.3.2 *cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:* versions up to (excluding) 5.19.11 *cpe:2.3:a:apache:activemq_broker:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.3.2 Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz Types: Mailing List, Vendor Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/09/08/12 Types: Mailing List -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 10, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Added SSVC {'id': 'CVE-2026-74761', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-10T18:00:47.594630Z'} -
New CVE Received by [email protected]
Sep. 09, 2026
Action Type Old Value New Value Added Description Improper input validation in TopicRegion in Apache ActiveMQ, Apache ActiveMQ Broker, and Apache ActiveMQ All on all platforms. An authenticated client can spoof clientId when removing a durable topic subscription. This issue affects Apache ActiveMQ Broker: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ All: before 5.19.11, from 6.0.0 before 6.3.2; Apache ActiveMQ: before 5.19.11, from 6.0.0 before 6.3.2. Users are recommended to upgrade to version 6.3.2 or 5.19.11 which fixes the issue. Added CWE CWE-20 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/74xxx/CVE-2026-74761.json">CVE-2026-74761</a> Added Reference https://lists.apache.org/thread/n9md06jo7ccqmj2mntx4kpcl2d5xqntz -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Sep. 09, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/09/08/12