CVE-2026-77060

Incorrect Permission Assignment for Critical Resource in boneIO

At a glance

Severity: MEDIUM 6.8
EPSS: EPSS 0.13 % · percentile 2 (2026-10-27)
State: PUBLISHED
Published: 2026-10-26
Updated: 2026-10-26
Assigner: CERT-PL
NVD status: Deferred

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.

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 6.8	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	CERT-PL
CVSS 4.0	MEDIUM 6.8	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · cvd@cert.pl (Secondary)

Weaknesses (CWE)

CWE-732

European references

ENISA EUVD · EUVD-2026-109955
GCVE · GCVE-0-2026-77060

Affected products

Product	Versions
boneIO · black_debian_images	affected 1.2.0 < 1.6.0

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD