What’s Vulnerable › Vulnerabilities

CVE-2018-12546

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-27 · updated 2026-06-17
• Weakness: CWE-284

Description

In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.

Affected products

• The Eclipse Foundation Eclipse Mosquitto: from 1.0 through 1.5.5

References

• https://bugs.eclipse.org/bugs/show_bug.cgi?id=543127
• https://bugs.eclipse.org/bugs/show_bug.cgi?id=543127

Get alerted when CVE-2018-12546 or the next vulnerability affects your stack