CVE-2026-77060EUVD-2026-109955GHSA-MPP4-MC8M-6VPC
Incorrect Permission Assignment for Critical Resource in boneIO
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.6.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
The boneIO black_debian_images software stores the password file for its Mosquitto MQTT broker with permissions that let any local user read it. An attacker with a local account could obtain the password hashes for all MQTT accounts and attempt to crack them offline.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original 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.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- boneIO black_debian_images
From 1.2.0 · fixed in 1.6.0