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

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-01

Last Updated

2026-10-02

EPSS Score

0.25% (percentile: 15.1%)

Affected Products (1)

Other

• 21829-17084

Revision History

• 2026-10-01: Information published.
• 2026-10-02: Information published.