{"id":"CVE-2026-54461","aliases":["EUVD-2026-86327","GHSA-x772-22c9-gq58"],"status":"published","title":"Habitica: Regex Injection / ReDoS in Member Search","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00295,"percentile":0.22412,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1333"],"published":"2026-09-24T17:37:59Z","modified":"2026-10-28T02:30:56Z","products":[{"vendor":"habitica","product":"habitica"},{"vendor":"habitrpg","product":"habitica"}],"references":[{"url":"https://github.com/HabitRPG/habitica/security/advisories/GHSA-x772-22c9-gq58","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/HabitRPG/habitica/commit/7b7dc255dff1564935675399ff168e8a91b8afca","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/HabitRPG/habitica/releases/tag/v5.48.2","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54461.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54461","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-54461","title":"Habitica: Regex Injection / ReDoS in Member Search","description":"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.","status":"published","published":"2026-09-24T17:37:59.28Z","modified":"2026-09-28T14:57:19.854Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T13:37:58.613221Z"}],"euvd":[{"id":"EUVD-2026-86327","description":"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.","status":"published","published":"2026-09-24T17:37:59Z","modified":"2026-09-28T14:57:19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:53.425914Z"}],"nvd":[{"id":"CVE-2026-54461","description":"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.","status":"published","published":"2026-09-24T18:17:13.82Z","modified":"2026-09-30T19:57:08.043Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:12:51.388161Z"}],"osv":[{"id":"CVE-2026-54461","title":"Habitica: Regex Injection / ReDoS in Member Search","description":"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.","status":"published","published":"2026-09-24T17:37:59.28Z","modified":"2026-10-28T02:30:56.111540594Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T15:45:10.818486Z"}]}}