{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.0.3"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "795ebd182461f96beeb47b067f7fe33e76bc9059"
            },
            {
              "fixed": "4d37b79ff7f9d9452e988387f97919a9a1c4954e"
            }
          ],
          "repo": "https://github.com/pmmp/pocketmine-mp",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-j5qg-w9jg-3wg3"
  ],
  "database_specific": {},
  "details": "PocketMine-MP before 4.0.3 does not perform case-insensitive matching when removing operator entries from ops.txt. The removeOp function lowercases the supplied name but only removes an exactly matching entry, so an operator name stored with non-lowercase letters cannot be revoked using the deop command, leaving the player as an operator until the entry is removed from ops.txt manually.",
  "id": "CVE-2021-48006",
  "modified": "2026-09-08T03:30:50.081626149Z",
  "published": "2026-09-06T12:17:14.637Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-j5qg-w9jg-3wg3"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/pocketmine-mp-before-4.0.3-operator-privilege-escalation-via-case-sensitivity"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pmmp/PocketMine-MP/commit/4d37b79ff7f9d9452e988387f97919a9a1c4954e"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}