CVE-2026-77055 Details
Description
boneIO black_debian_images gives the boneio service account excessive privileges, including full passwordless sudo access and membership in the docker group. A local attacker who compromises the boneio user can use these privileges to escalate to root. This issue was fixed in version 1.6.0: the image removes the sudoers rule and the docker group membership when it is sealed, and devices already in the field have both removed by migrations shipped with boneio 1.6.0 and applied on first start after the upgrade. Privileged operations now go through helpers that accept only a fixed set of commands, with migrations verified against Ed25519 signatures.
A vulnerability in boneIO black_debian_images grants the boneio service account excessive privileges, including unrestricted passwordless sudo access and membership in the docker group. This flaw allows a local attacker who compromises the boneio user to escalate privileges to root. The issue arises from improper privilege assignment, as the boneio service account is given excessive rights that can be exploited to gain elevated access.
The vulnerability has been fixed in boneIO version 1.6.0, which removes the excessive sudoers privileges and docker group membership from the boneio service account. Devices already in the field can apply this update, with the necessary migrations included in the boneIO 1.6.0 release.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 26, 2026CISA-ADP
Assessed Nov 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://boneio.eu/en/docs/black | [email protected] | ProductVendor |
| https://cert.pl/en/posts/2026/10/CVE-2026-77052 | [email protected] | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-266 | Incorrect Privilege Assignment | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| boneIO black_debian_images | >= 1.2.0, <= 1.6.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 2, 2026 | CVE Modified | CISA-ADP |
| Oct 26, 2026 | New CVE Received | [email protected] |