CVE-2026-77060 Details
Description
boneIO black_debian_images stores the Mosquitto MQTT broker password file at /etc/mosquitto/passwd with world-readable permissions. Any local user can read the password hashes for all MQTT accounts and perform offline dictionary attacks. This issue was fixed in version 1.6.0.
A vulnerability exists in boneIO black_debian_images due to the Mosquitto MQTT broker password file being stored at /etc/mosquitto/passwd with world-readable permissions. This misconfiguration allows any local user to access the password hashes for all MQTT accounts and potentially conduct offline dictionary attacks. The issue arises from incorrect permission assignments that expose sensitive information, and it has been addressed in version 1.6.0.
Users can upgrade to boneIO Black version 1.6.0, which addresses this vulnerability by changing the permissions of the Mosquitto password file. Instructions for upgrading are available in the boneIO Black documentation.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 26, 2026CISA-ADP
Assessed Oct 26, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://boneio.eu/en/docs/black | [email protected] | Vendor |
| https://cert.pl/en/posts/2026/10/CVE-2026-77052 | [email protected] | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-732 | Incorrect Permission Assignment for Critical Resource | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| boneIO black_debian_images | >= 1.2.0, <= 1.6.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 26, 2026 | CVE Modified | CISA-ADP |
| Oct 26, 2026 | New CVE Received | [email protected] |
Volerion