CVE-2026-105141A security flaw has been discovered in topoteretes cognee up to 1.5.4. The affected element is the function get_user_id_by_email of the file cognee/modules/users/authentication/get_api_auth_backend.py of the component JWT Signing Key Handler. The manipulation of the argument FASTAPI_USERS_JWT_SECRET results in hard-coded credentials. The attack may be launched remotely. Upgrading to version 1.6.0 is sufficient to fix this issue. The patch is identified as fa65fc0cd86cdba48d19aa76e36be862be982f5d. Upgrading the affected component is advised.