CVE Feed

    Dashboard / CVE / CVE-2026-67331

    CVE-2026-67331

    better-auth SCIM versions from 1.5.0 before 1.7.0-beta.4 fail to bind non-organization SCIM providers to their creator by default, allowing authenticated users to manage other users' providers. Attackers can regenerate SCIM bearer tokens, invalidate legitimate tokens, and authenticate to SCIM API routes with the attacker-controlled token.

    Published:Aug 1, 2026
    Last Modified:Aug 14, 2026
    EPS:Aug 1, 2026
    EPSS Score:0.0024
    CVSS Score:8.3

    Affected Products

    Vendor
    Better-auth
    Product
    Better Auth
    Vendor
    Better-auth
    Product
    Scim

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-71401 (CVSS 9.3) — better-auth (npm) before 1.4.2 allows an external request to configure baseURL when it is not otherwise define…
    CVE-2025-71399 (CVSS 8.8) — Better Auth relies on better-call, which uses the rou3 router library. In affected versions of rou3, paths are…
    CVE-2026-67333 (CVSS 5.1) — better-auth before 1.6.13 (and pre-release builds 1.7.0-beta.0 through 1.7.0-beta.3) fail to validate the sche…
    CVE-2026-67329 (CVSS 7.1) — @better-auth/stripe versions >= 1.4.11 and < 1.6.21, and >= 1.7.0-beta.0 and < 1.7.0-beta.10, contain an autho…
    CVE-2026-67334 (CVSS 5.1) — better-auth versions before 1.6.11 fail to delete cached sessions when removing users via admin, anonymous, or…
    CVE-2025-71403 (CVSS 7.1) — better-auth versions before 1.1.20 contain a bypass vulnerability in trustedOrigins validation logic affecting…
    CVE-2026-67337 (CVSS 7.1) — better-auth versions before 1.4.9 contain a two-factor authentication bypass vulnerability when session.cookie…
    CVE-2025-71404 (CVSS 5.1) — better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting (XSS) vulnerabili…
    CVE-2026-67327 (CVSS 8.7) — better-auth versions >= 1.1.3 and < 1.6.22 (and pre-release versions >= 1.7.0-beta.0 and < 1.7.0-beta.10) are …
    CVE-2026-67335 (CVSS 6) — better-auth versions before 1.6.2 fail to validate the OAuth state parameter against the stored nonce when usi…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High