CVE-2026-77054 boneIO CVE debrief

Who should care

System administrators and security teams using boneIO versions prior to 1.6.0 should assess exposure and upgrade or apply compensating controls. This includes reviewing system configurations, monitoring for unauthorized access, and implementing additional security controls as needed. Security teams should prioritize verification and remediation of this medium-severity vulnerability.

Why it matters

CVE-2026-77054 is a medium-severity vulnerability in boneIO that stores passwords in cleartext, allowing authenticated users to access administrative passwords and potentially allowing unauthenticated local network attackers to retrieve passwords due to CVE-2026-77053. The vulnerability was fixed in version 1.6.0.

• Verify and upgrade boneIO to version 1.6.0 or later to prevent unauthorized access to administrative passwords
• Restrict access to the GET /api/config endpoint to prevent exposure of sensitive information
• Monitor for unauthorized access to administrative passwords and implement additional security controls as needed

Technical summary

boneIO Black stores passwords, including MQTT broker and web panel passwords, in cleartext. The GET /api/config endpoint returns full configuration with sub-services passwords exposed. Any authenticated user can call the endpoint and access administrative passwords in cleartext form. Due to CVE-2026-77053, an unauthenticated attacker on the same local network can retrieve all passwords. Fixed in version 1.6.0.

Defensive priority

High priority for systems using boneIO versions prior to 1.6.0; verify and upgrade immediately.

Recommended defensive actions

• Upgrade boneIO to version 1.6.0 or later
• Restrict access to the GET /api/config endpoint
• Monitor for unauthorized access to administrative passwords
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions and retest remediated assets
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Official CVE Program and NVD records confirm cleartext storage of sensitive information in boneIO. Vendor documentation and third-party advisories provide additional context. The CVE record was published on 2026-10-26T14:45:45.813Z and has not been modified since then. Evidence limits are based on available information, and defenders should verify affected scope and exposure. No additional facts are known beyond provided sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.