rabbitmq-server: rabbitmq-server: MQTT topic permission bypass via improper regex escaping
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | CVE-2026-67407 | 25 Sep 202616:30 | – | cve |
 | CVE-2026-67407 RabbitMQ: Incomplete fix for CVE-2026-44838: `escape_regex_char/1` does not escape `-`, leaving room for an MQTT topic permission bypass | 25 Sep 202616:30 | – | cvelist |
 | CVE-2026-67407 | 25 Sep 202616:30 | – | debiancve |
 | EUVD-2026-87236 | 25 Sep 202616:30 | – | euvd |
 | CVE-2026-67407 | 25 Sep 202616:30 | – | mend |
 | RabbitMQ: Incomplete fix for CVE-2026-44838: `escape_regex_char/1` does not escape `-`, leaving room for an MQTT topic permission bypass | 1 Oct 202608:25 | – | mscve |
 | CVE-2026-67407 | 25 Sep 202617:17 | – | nvd |
 | AZL-105320 CVE-2026-67407 affecting package rabbitmq-server 3.13.7-9 | 25 Sep 202617:17 | – | osv_azl |
 | BIT-RABBITMQ-2026-67407 RabbitMQ: Incomplete fix for CVE-2026-44838: `escape_regex_char/1` does not escape `-`, leaving room for an MQTT topic permission bypass | 1 Oct 202609:33 | – | osv_bit |
 | DEBIAN-CVE-2026-67407 | 25 Sep 202617:17 | – | osv_debian |
10
| OS | OS Version | Architecture | Package | Package Version | Filename |
|---|---|---|---|---|---|
| Red Hat Hardened Images | any | aarch64 | rabbitmq-server4.3 | 4.3.6-1.hum1 | rabbitmq-server4.3-4.3.6-1.hum1.aarch64.rpm |
| Red Hat Hardened Images | any | x86_64 | rabbitmq-server4.3 | 4.3.6-1.hum1 | rabbitmq-server4.3-4.3.6-1.hum1.x86_64.rpm |
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
17 Oct 2026 03:52Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.1
CVSS 45.1
EPSS0.00226
SSVC