CVE-2026-67331

High

Description

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.

SeverityHigh

CVSS8.3

Exploit probability—

Product@better-auth/scim

PublishedAug 1, 2026

First seenAug 1, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

@better-auth/scim1.7.0-beta.4 or later

Vendor advisories

github.com/better-auth/better-auth/security/advisories/GHSA-j8v8-g9cx-5qf4

Affected products

Product	Affected versions	Fixed in
@better-auth/scimnpm	1.5.0 ≤ v < 1.7.0-beta.4	1.7.0-beta.4

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