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CVE-2026-77055

Improper Privilege Assignment in boneIO

CRITICAL
9.3
CVSS Score
Published: October 26, 2026 at 02:45 PM UTC
Updated: October 26, 2026 at 05:11 PM UTC
1 product affected across 1 vendorblack_debian_images

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Severity
CRITICAL9.3
Exploit prediction
EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory
Source: cverecord
https://cert.pl/en/posts/2026/10/CVE-2026-77052
Product
Source: cverecord
https://boneio.eu/en/docs/black

CVSS

9.3CRITICALCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-266

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