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CVE-2026-77053 boneIO CVE debrief

PatchSiren debrief for CVE-2026-77053: Missing Authentication in Default Configuration in boneIO. The boneIO Black firmware ships with authentication disabled by default, allowing unauthenticated remote attackers to fully control the device, which can lead to denial of service, configuration modification, and operation of connected physical circuits. This issue was fixed in version 1.6.0, where a device without an administrator account refuses API requests until the owner creates one in the first-run wizard, and every API route is restricted to an authenticated role. Versions before 1.2.0 are based on Debian 10, are no longer supported and cannot be upgraded in place; affected ...

Vendor
boneIO
Product
Unknown
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-26
Original CVE updated
2026-11-02
Advisory published
2026-10-26
Advisory updated
2026-11-02

Who should care

Administrators and users of boneIO devices, particularly those using versions prior to 1.6.0, should assess exposure and upgrade to the latest version. They should also verify API authentication and authorization, and implement additional security measures to restrict access to the device. Security teams should prioritize vulnerability management for affected devices and review compensating controls for exposed systems.

Why it matters

CVE-2026-77053 is a high-severity vulnerability in boneIO Black firmware that allows unauthenticated remote control of devices. Defenders should prioritize upgrading to version 1.6.0 or later and verifying API authentication.

  • Denial of service attacks are possible due to lack of authentication
  • Configuration modification can occur without authentication
  • Physical circuits connected to the device can be operated without authentication
  • Verification of API authentication and authorization is required

Technical summary

boneIO Black firmware has a missing authentication vulnerability in its default configuration, allowing unauthenticated remote attackers to fully control the device. The issue was fixed in version 1.6.0, where a device without an administrator account refuses API requests until the owner creates one in the first-run wizard, and every API route is restricted to an authenticated role. This fix ensures that API access requires authentication, preventing unauthorized control of the device and connected physical circuits.

Defensive priority

High priority for upgrading to version 1.6.0 or later and verifying API authentication.

Recommended defensive actions

  • Upgrade to boneIO version 1.6.0 or later
  • Verify API authentication and authorization
  • Implement additional security measures to restrict access to the device
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Official CVE Program record and NIST NVD detail page confirm the vulnerability. Vendor documentation and supplemental sources provide additional context. The CVE record was published on 2026-10-26T14:45:42.165Z and has not been modified since then. There is no evidence of public exploitation, but defenders should verify API authentication and authorization.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-77053 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-77053

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-77053 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-77053

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Missing Authentication in Default Configuration in boneIO

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/77xxx/CVE-2026-77053.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://cert.pl/en/posts/2026/10/CVE-2026-77052

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://boneio.eu/en/docs/black

    Supplemental source - product

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.