What’s Vulnerable › Vulnerabilities

CVE-2024-42655

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-07-29 · updated 2026-06-17
• Weakness: CWE-284

Description

An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.

Affected products

• nanomq: 0.21.8

References

• https://github.com/nanomq/nanomq
• https://github.com/nanomq/nanomq/issues/1782#issuecomment-2171025812
• https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42655.md

Get alerted when CVE-2024-42655 or the next vulnerability affects your stack