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Information disclosure in minio

Type: withdrawalSources: OSV

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. `If-Modified-Since` and `If-Unmodified-Since` headers when used with anonymous requests by sending a random object name requests can be used to determine if an object exists or not on the server on a specific bucket and also gain access to some amount of information such as `Last-Modified (of the latest version)`, `Etag (of the latest version)`, `x-amz-version-id (of the latest version)`, `Expires (metadata value of the latest version)`, `Cache-Control (metadata value of the latest version)`. This conditional check was being honored before validating if the anonymous access is indeed allowed on the metadata of an object. This issue has been addressed in commit `e0fe7cc3917`. Users must upgrade to RELEASE.2024-05-27T19-17-46Z for the fix. There are no known workarounds for this issue.

Products
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Affected versions
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Fixed versions
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Updated in this feed
28 Oct 2026, 09:01 UTC · Revision 1

Source evidence

Information disclosure in minio

core-osv · Original source

Published 4 Jun 2024, 09:46 UTC

MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. `If-Modified-Since` and `If-Unmodified-Since` headers when used with anonymous requests by sending a random object name requests can be used to determine if an object exists or not on the server on a specific bucket and also gain access to some amount of information such as `Last-Modified (of the latest version)`, `Etag (of the latest version)`, `x-amz-version-id (of the latest version)`, `Expires (metadata value of the latest version)`, `Cache-Control (metadata value of the latest version)`. This conditional check was being honored before validating if the anonymous access is indeed allowed on the metadata of an object. This issue has been addressed in commit `e0fe7cc3917`. Users must upgrade to RELEASE.2024-05-27T19-17-46Z for the fix. There are no known workarounds for this issue.

osv:BIT-minio-2024-36107

minio

Fixed versions: 2024.5.27

Complete source record
{
  "id": "2556de64ea7f20adc2401eff1371eb4821b2af9c6632bb9623361f5b483798a7",
  "url": "https://osv.dev/vulnerability/BIT-minio-2024-36107",
  "method": "structured",
  "payload": {
    "kind": "withdrawal",
    "title": "Information disclosure in minio",
    "summary": "MinIO is a High Performance Object Storage released under GNU Affero General Public License v3.0. `If-Modified-Since` and `If-Unmodified-Since` headers when used with anonymous requests by sending a random object name requests can be used to determine if an object exists or not on the server on a specific bucket and also gain access to some amount of information such as `Last-Modified (of the latest version)`, `Etag (of the latest version)`, `x-amz-version-id (of the latest version)`, `Expires (metadata value of the latest version)`, `Cache-Control (metadata value of the latest version)`. This conditional check was being honored before validating if the anonymous access is indeed allowed on the metadata of an object. This issue has been addressed in commit `e0fe7cc3917`. Users must upgrade to RELEASE.2024-05-27T19-17-46Z for the fix. There are no known workarounds for this issue.",
    "evidence": "osv:BIT-minio-2024-36107",
    "products": [
      {
        "name": {
          "value": "minio",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2024.5.27",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "BIT-minio-2024-36107",
      "aliases": [
        "BIT-minio-2024-36107"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2024.5.27"
                }
              ]
            }
          ],
          "package": {
            "name": "minio",
            "purl": "pkg:bitnami/minio",
            "ecosystem": "Bitnami"
          },
          "severity": [
            {
              "type": "CVSS_V3",
              "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
            }
          ],
          "database_specific": {
            "source": "https://github.com/bitnami/vulndb/tree/main/data/minio/BIT-minio-2024-36107.json"
          }
        }
      ],
      "modified": "2026-10-08T08:11:02.807649466Z",
      "provider": "osv",
      "references": [
        "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since",
        "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Unmodified-Since",
        "https://github.com/minio/minio/commit/e0fe7cc391724fc5baa85b45508f425020fe4272",
        "https://github.com/minio/minio/pull/19810",
        "https://github.com/minio/minio/security/advisories/GHSA-95fr-cm4m-q5p9",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-36107"
      ],
      "provider_metadata": {
        "cpes": [
          "cpe:2.3:a:minio:minio:*:*:*:*:*:*:*:*",
          "cpe:2.3:a:minio:minio:*:*:*:*:*:go:*:*"
        ],
        "severity": "Medium"
      }
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 98784,
  "published_at": "2024-06-04T09:46:16.011+00:00"
}