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DEBIAN-CVE-2026-96279

Type: advisorySource: OSV1 source record

A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as /etc/shadow.

Announced Source revision 1
Original source ↗

DEBIAN-CVE-2026-96279

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:DEBIAN-CVE-2026-96279

flatpak

Source reference: /affected/0/package/name

Affected versions
1.16.1-1

Source reference: /affected/0/versions

1.16.1-2

Source reference: /affected/0/versions

1.16.1-3

Source reference: /affected/0/versions

1.16.2-1

Source reference: /affected/0/versions

1.16.2-1~deb13u1

Source reference: /affected/0/versions

1.16.3-1

Source reference: /affected/0/versions

1.16.3-1~deb13u1

Source reference: /affected/0/versions

1.16.4-1

Source reference: /affected/0/versions

1.16.4-2

Source reference: /affected/0/versions

1.16.5-1

Source reference: /affected/0/versions

1.16.6-1

Source reference: /affected/0/versions

1.16.6-1~deb13u1

Source reference: /affected/0/versions

1.16.6-1~deb13u1~bpo12+1

Source reference: /affected/0/versions

1.16.6-1~deb13u2

Source reference: /affected/0/versions

1.16.6-1~deb13u3

Source reference: /affected/0/versions

1.17.2-1

Source reference: /affected/0/versions

1.17.3-1

Source reference: /affected/0/versions

1.17.3-2

Source reference: /affected/0/versions

1.17.6-1

Source reference: /affected/0/versions

1.18.0-1

Source reference: /affected/0/versions

Fixed versions
1.18.1-1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.18.1-1"
          }
        ]
      }
    ],
    "package": {
      "name": "flatpak",
      "purl": "pkg:deb/debian/flatpak?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1.16.1-1",
      "1.16.1-2",
      "1.16.1-3",
      "1.16.2-1",
      "1.16.2-1~deb13u1",
      "1.16.3-1",
      "1.16.3-1~deb13u1",
      "1.16.4-1",
      "1.16.4-2",
      "1.16.5-1",
      "1.16.6-1",
      "1.16.6-1~deb13u1",
      "1.16.6-1~deb13u1~bpo12+1",
      "1.16.6-1~deb13u2",
      "1.16.6-1~deb13u3",
      "1.17.2-1",
      "1.17.3-1",
      "1.17.3-2",
      "1.17.6-1",
      "1.18.0-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-96279.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#37067 · Revision 1
Added to Heist Feed
Publisher date
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