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TI-2026-80418 Aliases CVE-2026-77060GHSA-mpp4-mc8m-6vpc

boneIO black_debian_images exposes MQTT password hashes to local users

Priority LOW 29CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

boneIO black_debian_images stores the Mosquitto MQTT broker password file at /etc/mosquitto/passwd with world-readable permissions, affecting versions from 1.2.0 before 1.6.0. A local user with low privileges can read the password hashes for all MQTT accounts and attempt offline dictionary attacks against them (CWE-732).

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00126 2nd percentileScored 2026-11-07
Fix Fixed black_debian_images (boneIO): 1.6.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
boneIOblack_debian_images1.2.0 to before 1.6.01.6.0Patch availableCNA
  • black_debian_images VendorboneIO Affected 1.2.0 to before 1.6.0 Fixed in 1.6.0 Patch available CNA

Remediation

Update boneIO black_debian_images to version 1.6.0 or later, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA black_debian_images (boneIO) Fixed in 1.6.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    boneIO black_debian_images 1.6.0

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-80413 Excessive privileges in boneIO black_debian_images allow root escalationPriority MEDIUM 41
    • TI-2026-80414 Default credentials in boneIO MQTT broker allow remote control of devicesPriority LOW 31

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-77060
  2. 2026-10-26 CISA SSVC decision points changed
  3. 2026-10-26 Priority changed: MEDIUM → LOW
  4. 2026-10-27 Alias added: GHSA-mpp4-mc8m-6vpc

References

  • TI-2026-80413 Excessive privileges in boneIO black_debian_images allow root escalation CVSS 4.0CRITICAL 9.3
  • TI-2026-80410 Missing authentication for Node-RED in boneIO CVSS 4.0HIGH 8.7
  • TI-2026-80417 Race condition in boneIO sudoers handling allows root privilege escalation CVSS 4.0HIGH 8.8
  • TI-2026-80411 Missing authentication in boneIO firmware allows remote device control CVSS 4.0HIGH 8.7
  • TI-2026-80420 Clickjacking in boneIO web interface allows unauthorized actions CVSS 4.0MEDIUM 6.9
  • TI-2026-80414 Default credentials in boneIO MQTT broker allow remote control of devices CVSS 4.0HIGH 7.1
See all 10 →

Sources