GHSA-73F9-JHHH-HR5M

Vulnerability from github – Published: 2026-03-23 21:18 – Updated: 2026-03-25 20:35
VLAI?
Summary
Rails Active Storage has possible glob injection in its DiskService
Details

Impact

Active Storage's DiskService#delete_prefixed passes blob keys directly to Dir.glob without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage directory.

Releases

The fixed releases are available at the normal locations.

Severity ?
6.6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "activestorage"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.1.0.beta1"
            },
            {
              "fixed": "8.1.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "activestorage"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "8.0.0.beta1"
            },
            {
              "fixed": "8.0.4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "activestorage"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33202"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-23T21:18:56Z",
    "nvd_published_at": "2026-03-24T00:16:29Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\nActive Storage\u0027s `DiskService#delete_prefixed` passes blob keys directly to `Dir.glob` without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage directory.\n\n### Releases\nThe fixed releases are available at the normal locations.",
  "id": "GHSA-73f9-jhhh-hr5m",
  "modified": "2026-03-25T20:35:28Z",
  "published": "2026-03-23T21:18:56Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33202"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rails/rails"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v7.2.3.1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v8.0.4.1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rails/rails/releases/tag/v8.1.2.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Rails Active Storage has possible glob injection in its DiskService"
}


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