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CVE-2026-67332

@better-auth/oauth-provider before 1.7.0-beta.4 Authorization Bypass PUBLISHED

Description (CNA)

@better-auth/oauth-provider before 1.7.0-beta.4 fails to bind access-token audience to the authorization grant, allowing clients to request tokens for unrelated resources. Attackers can complete an OAuth flow and obtain access tokens whose audience targets resource servers the authorization never covered, bypassing intended authorization boundaries.

Affected (CNA)

Vendor / productVersions
better-auth / oauth-provideraffected 1.4.8 before 1.7.0-beta.4; unaffected 1.7.0-beta.4

CWE

CWE-285

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.