CVE-2026-54461

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.

• CWE-1333

• https://github.com/HabitRPG/habitica/commit/7b7dc255dff1564935675399ff168e8a91b8afca
• https://github.com/HabitRPG/habitica/releases/tag/v5.48.2
• https://github.com/HabitRPG/habitica/security/advisories/GHSA-x772-22c9-gq58

Published

Sep 24, 2026

Last Modified

Sep 24, 2026

Status

Received

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