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ALPINE-CVE-2026-1933

Type: advisorySource: OSV1 source record

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.

Announced Group revision 1
Original source ↗

ALPINE-CVE-2026-1933

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:ALPINE-CVE-2026-1933

samba

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
4.22.10-r0

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

samba

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
4.23.8-r0

Source reference: /affected/1/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": "4.1.0"
          },
          {
            "fixed": "4.22.10-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "samba",
      "purl": "pkg:apk/alpine/samba?arch=source",
      "ecosystem": "Alpine:v3.23"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-1933.json"
    },
    "ecosystem_specific": {}
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "4.1.0"
          },
          {
            "fixed": "4.23.8-r0"
          }
        ]
      }
    ],
    "package": {
      "name": "samba",
      "purl": "pkg:apk/alpine/samba?arch=source",
      "ecosystem": "Alpine:v3.24"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-1933.json"
    },
    "ecosystem_specific": {}
  }
]

Publisher severity

No explicit severity was provided.

Event
#54138 · Revision 1
Added to Heist Feed
Publisher date
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