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Malicious code in biunder (RubyGems)

Type: advisorySource: OSV1 source record

--- _-= Per source details. Do not edit below this line.=-_

Announced Source revision 1
Original source ↗

MAL-2026-16634

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:MAL-2026-16634

biunder

Source reference: /affected/0/package/name

Affected versions
1.0.0

Source reference: /affected/0/versions

1.0.11463

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "package": {
      "name": "biunder",
      "purl": "pkg:gem/biunder",
      "ecosystem": "RubyGems"
    },
    "versions": [
      "1.0.0",
      "1.0.11463"
    ],
    "database_specific": {
      "source": "https://github.com/ossf/malicious-packages/blob/main/osv/malicious/rubygems/biunder/MAL-2026-16634.json"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#11137 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement