Vulnerability · Published Oct 26, 2026 · Assigned by CERT-PL
CVE-2026-77060Incorrect Permission Assignment for Critical Resource in boneIO
Medium 6.8
In plain English
A medium-severity incorrect permission assignment in black_debian_images from boneIO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 4.0)6.8Medium
Exploit odds (30 days)0.1%top 97.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| boneIO | black_debian_images | 1.2.0 – before 1.6.0 |
Weakness: CWE-732 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
References
- https://cert.pl/en/posts/2026/10/CVE-2026-77052 third-party-advisory
- https://boneio.eu/en/docs/black product