{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "4.172.1"
              },
              {
                "fixed": "5.48.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "c055d438953cb7e0fe3439545bbb00bf937544d2"
            },
            {
              "fixed": "7b7dc255dff1564935675399ff168e8a91b8afca"
            },
            {
              "fixed": "dcbb491bd2a1e145ebaaa8cccc08de47cebce42f"
            }
          ],
          "repo": "https://github.com/habitrpg/habitica",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-x772-22c9-gq58"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-1333"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54461.json"
  },
  "details": "Habitica is a habit tracker application that treats goals like a role-playing game. From 4.172.1 until 5.48.2, a query parameter on Habitica's /api/v3/groups/:groupId/members route is not sanitized before being interpreted as a regular expression. An authenticated caller can supply a computationally expensive regular expression that degrades application performance or halts Node.js processes. This issue is fixed in version 5.48.2.",
  "id": "CVE-2026-54461",
  "modified": "2026-09-26T03:30:34.524002551Z",
  "published": "2026-09-24T17:37:59.280Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/HabitRPG/habitica/releases/tag/v5.48.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54461.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/HabitRPG/habitica/security/advisories/GHSA-x772-22c9-gq58"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54461"
    },
    {
      "type": "FIX",
      "url": "https://github.com/HabitRPG/habitica/commit/7b7dc255dff1564935675399ff168e8a91b8afca"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Habitica: Regex Injection / ReDoS in Member Search"
}