CVE-2026-77060

MEDIUM CVSS 4.0: 6.8 EPSS 0.13%
Updated Oct 26, 2026
Boneio
Parameter Value
CVSS 6.8 (MEDIUM)
Affected Versions 1.2.0 — 1.6.0
Fixed In 1.6.0
Type CWE-732 (Incorrect Permission Assignment)
Vendor Boneio
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Boneio Black_Debian_Images
cpe:2.3:a:boneio:black_debian_images:*:*:*:*:*:*:*:*
1.2.0 1.6.0