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CVE-2026-77055critical9.3

Improper Privilege Assignment in boneIO

Impact

boneIO's black_debian_images, versions before 1.6.0, assign excessive privileges to the boneio service account, allowing a local attacker to escalate to root. The issue is due to improper privilege assignment. A fix was implemented in version 1.6.0.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

boneIO · CERT-PL

black_debian_images

1 range
CERT-PL version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

1.2.0 → before 1.6.0

semver versions

unaffected

unknown

Other versions: unaffected

Original source 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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-77055

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-266 ↗

CWE-266 Incorrect Privilege Assignment

CERT-PL

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

CERT-PL · platform conditions

Any condition may hold

Any condition may hold

Vulnerable product

cpe:2.3:a:boneio:black_debian_images:*:*:*:*:*:*:*:*

From (inclusive): 1.2.0

Before: 1.6.0

Original applicability statements
[
  {
    "operator": "OR",
    "nodes": [
      {
        "operator": "OR",
        "negate": false,
        "cpeMatch": [
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:boneio:black_debian_images:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "1.2.0",
            "versionEndExcluding": "1.6.0"
          }
        ]
      }
    ]
  }
]
Contributing organizations · 1
CERT-PL

Assigning organization

2026-10-26

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.

References

2 sources
cert.pl/en/posts/2026/10/CVE-2026-77052
third-party-advisoryCERT-PL
boneio.eu/en/docs/black
productCERT-PL