PatchSiren cyber security CVE debrief
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.