Better-auth Scim vulnerabilities

• better-auth scim better-auth SCIM 1.4.0-beta.27 through 1.6.21 Account Takeover via Provider-ID Collision CVE-2026-67330 Fix available 9.4 CriticalJuly 24, 2026
• better-auth scim better-auth SCIM 1.5.0 before 1.7.0-beta.4 Authorization Bypass CVE-2026-67331 Fix available 8.7 HighJuly 7, 2026