---
title: "CVE-2026-77055: boneIO black_debian_images - Privilege Escalation"
description: "boneIO black_debian_images before 1.6.0 contains a privilege escalation caused by excessive privileges granted to the boneio service account, letting local attackers escalate to root after compromising the boneio user, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-77055/
---

# CVE-2026-77055 boneIO black\_debian\_images - Privilege Escalation

boneIO black\_debian\_images before 1.6.0 contains a privilege escalation caused by excessive privileges granted to the boneio service account, letting local attackers escalate to root after compromising the boneio user, exploit requires local access.

CVSS base score 9.3 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-77055)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

26 October 2026

Updated

27 October 2026

Weakness

[CWE-266](https://cwe.mitre.org/data/definitions/266.html)

## Vendor fix

Upgrade to version 1.6.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-77055](https://nvd.nist.gov/vuln/detail/CVE-2026-77055)
- [https://boneio.eu/en/docs/black](https://boneio.eu/en/docs/black)
- [https://cert.pl/en/posts/2026/10/CVE-2026-77052](https://cert.pl/en/posts/2026/10/CVE-2026-77052)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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