SB2026091003 - Input validation error in ActiveMQ
Published: September 10, 2026
Security Bulletin ID
SB2026091003
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2026-74761)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to remove durable topic subscriptions.
The vulnerability exists due to improper input validation in TopicRegion when removing a durable topic subscription. A remote user can submit a removal request with a spoofed clientId to remove durable topic subscriptions.
The issue affects all platforms.
Remediation
Install update from vendor's website.