UnratedFix available

DEBIAN-CVE-2026-58027

Type: advisorySource: OSV1 source record

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation AbuseFilter. This vulnerability is associated with program files includes/Api/QueryAbuseFilters.Php. This issue affects AbuseFilter: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Announced 1 Jul 2026Source revision 1

Original source ↗

DEBIAN-CVE-2026-58027

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-2026-58027

mediawiki

Source reference: /affected/0/package/name

Affected versions: 1:1.39.10-1
Source reference: /affected/0/versions
1:1.39.10-1~deb12u1
Source reference: /affected/0/versions
1:1.39.12-1~deb12u1
Source reference: /affected/0/versions
1:1.39.13-1~deb12u1
Source reference: /affected/0/versions
1:1.39.17-1+deb12u2
Source reference: /affected/0/versions
1:1.39.17-1~deb12u1
Source reference: /affected/0/versions
1:1.39.2-1
Source reference: /affected/0/versions
1:1.39.4-1
Source reference: /affected/0/versions
1:1.39.4-1~deb12u1
Source reference: /affected/0/versions
1:1.39.4-2
Source reference: /affected/0/versions
1:1.39.5-1
Source reference: /affected/0/versions
1:1.39.5-1~deb12u1
Source reference: /affected/0/versions
1:1.39.6-1
Source reference: /affected/0/versions
1:1.39.7-1
Source reference: /affected/0/versions
1:1.39.7-1~deb12u1
Source reference: /affected/0/versions
1:1.39.8-1
Source reference: /affected/0/versions
1:1.43.0+dfsg-1
Source reference: /affected/0/versions
1:1.43.0+dfsg-2
Source reference: /affected/0/versions
1:1.43.1+dfsg-1
Source reference: /affected/0/versions
1:1.43.1+dfsg-2
Source reference: /affected/0/versions
1:1.43.3+dfsg-1
Source reference: /affected/0/versions
1:1.43.5+dfsg-1
Source reference: /affected/0/versions
1:1.43.6+dfsg-1
Source reference: /affected/0/versions
1:1.43.6+dfsg-1~deb13u1
Source reference: /affected/0/versions
1:1.43.6+dfsg-2
Source reference: /affected/0/versions
1:1.43.8+dfsg-1
Source reference: /affected/0/versions
1:1.43.8+dfsg-1~deb13u1
Source reference: /affected/0/versions
1:1.43.8+dfsg-2
Source reference: /affected/0/versions
1:1.43.9+dfsg-1
Source reference: /affected/0/versions
1:1.43.9+dfsg-1~deb13u1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

mediawiki

Source reference: /affected/1/package/name

Affected versions: 1:1.43.3+dfsg-1
Source reference: /affected/1/versions
1:1.43.5+dfsg-1
Source reference: /affected/1/versions
1:1.43.6+dfsg-1
Source reference: /affected/1/versions
1:1.43.6+dfsg-1~deb13u1
Source reference: /affected/1/versions
1:1.43.6+dfsg-2
Source reference: /affected/1/versions
1:1.43.8+dfsg-1
Source reference: /affected/1/versions
1:1.43.8+dfsg-1~deb13u1
Source reference: /affected/1/versions
1:1.43.8+dfsg-2
Source reference: /affected/1/versions
Fixed versions: 1:1.43.9+dfsg-1~deb13u1
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

mediawiki

Source reference: /affected/2/package/name

Affected versions: 1:1.43.3+dfsg-1
Source reference: /affected/2/versions
1:1.43.5+dfsg-1
Source reference: /affected/2/versions
1:1.43.6+dfsg-1
Source reference: /affected/2/versions
1:1.43.6+dfsg-1~deb13u1
Source reference: /affected/2/versions
1:1.43.6+dfsg-2
Source reference: /affected/2/versions
1:1.43.8+dfsg-1
Source reference: /affected/2/versions
1:1.43.8+dfsg-1~deb13u1
Source reference: /affected/2/versions
1:1.43.8+dfsg-2
Source reference: /affected/2/versions
1:1.43.9+dfsg-1~deb13u1
Source reference: /affected/2/versions
Fixed versions: 1:1.43.9+dfsg-1
Source reference: /affected/2/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"
          }
        ]
      }
    ],
    "package": {
      "name": "mediawiki",
      "purl": "pkg:deb/debian/mediawiki?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "1:1.39.10-1",
      "1:1.39.10-1~deb12u1",
      "1:1.39.12-1~deb12u1",
      "1:1.39.13-1~deb12u1",
      "1:1.39.17-1+deb12u2",
      "1:1.39.17-1~deb12u1",
      "1:1.39.2-1",
      "1:1.39.4-1",
      "1:1.39.4-1~deb12u1",
      "1:1.39.4-2",
      "1:1.39.5-1",
      "1:1.39.5-1~deb12u1",
      "1:1.39.6-1",
      "1:1.39.7-1",
      "1:1.39.7-1~deb12u1",
      "1:1.39.8-1",
      "1:1.43.0+dfsg-1",
      "1:1.43.0+dfsg-2",
      "1:1.43.1+dfsg-1",
      "1:1.43.1+dfsg-2",
      "1:1.43.3+dfsg-1",
      "1:1.43.5+dfsg-1",
      "1:1.43.6+dfsg-1",
      "1:1.43.6+dfsg-1~deb13u1",
      "1:1.43.6+dfsg-2",
      "1:1.43.8+dfsg-1",
      "1:1.43.8+dfsg-1~deb13u1",
      "1:1.43.8+dfsg-2",
      "1:1.43.9+dfsg-1",
      "1:1.43.9+dfsg-1~deb13u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-58027.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1:1.43.9+dfsg-1~deb13u1"
          }
        ]
      }
    ],
    "package": {
      "name": "mediawiki",
      "purl": "pkg:deb/debian/mediawiki?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "1:1.43.3+dfsg-1",
      "1:1.43.5+dfsg-1",
      "1:1.43.6+dfsg-1",
      "1:1.43.6+dfsg-1~deb13u1",
      "1:1.43.6+dfsg-2",
      "1:1.43.8+dfsg-1",
      "1:1.43.8+dfsg-1~deb13u1",
      "1:1.43.8+dfsg-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-58027.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1:1.43.9+dfsg-1"
          }
        ]
      }
    ],
    "package": {
      "name": "mediawiki",
      "purl": "pkg:deb/debian/mediawiki?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "1:1.43.3+dfsg-1",
      "1:1.43.5+dfsg-1",
      "1:1.43.6+dfsg-1",
      "1:1.43.6+dfsg-1~deb13u1",
      "1:1.43.6+dfsg-2",
      "1:1.43.8+dfsg-1",
      "1:1.43.8+dfsg-1~deb13u1",
      "1:1.43.8+dfsg-2",
      "1:1.43.9+dfsg-1~deb13u1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-58027.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #58004 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 17:34:52 GMT
Publisher date: Wed, 01 Jul 2026 16:16:49 GMT

Read the original announcement