{"id":"CVE-2026-54461","state":"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.","publishedAt":"2026-09-24T17:37:59.280Z","updatedAt":"2026-09-28T14:57:19.854Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["HabitRPG habitica"],"affected":[{"vendor":"HabitRPG","product":"habitica","versions":[{"version":">= 4.172.1, < 5.48.2","status":"affected"}]}],"references":["https://github.com/HabitRPG/habitica/security/advisories/GHSA-x772-22c9-gq58","https://github.com/HabitRPG/habitica/commit/7b7dc255dff1564935675399ff168e8a91b8afca","https://github.com/HabitRPG/habitica/releases/tag/v5.48.2"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54461.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54461","state":"PUBLISHED","datePublished":"2026-09-24T17:37:59.280Z","dateUpdated":"2026-09-28T14:57:19.854Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T15:30:40.318Z"},"containers":{"cna":{"title":"Habitica: Regex Injection / ReDoS in Member Search","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"HabitRPG","product":"habitica","versions":[{"version":">= 4.172.1, < 5.48.2","status":"affected"}]}],"references":[{"url":"https://github.com/HabitRPG/habitica/security/advisories/GHSA-x772-22c9-gq58","name":"https://github.com/HabitRPG/habitica/security/advisories/GHSA-x772-22c9-gq58","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/HabitRPG/habitica/commit/7b7dc255dff1564935675399ff168e8a91b8afca","name":"https://github.com/HabitRPG/habitica/commit/7b7dc255dff1564935675399ff168e8a91b8afca","tags":["x_refsource_MISC"]},{"url":"https://github.com/HabitRPG/habitica/releases/tag/v5.48.2","name":"https://github.com/HabitRPG/habitica/releases/tag/v5.48.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-09-24T17:37:59.280Z"},"source":{"advisory":"GHSA-x772-22c9-gq58","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-28T14:57:09.073378Z","id":"CVE-2026-54461","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T14:57:19.854Z"}}]}}}