Vulnerability library
Security checkJuly 20, 2026

@better-auth/sso provider registration has server-side request forgery via unvalidated OIDC endpoints

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High severitynpm@better-auth/sso

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Description

Users are affected if all of the following are true:

  • Their application uses @better-auth/sso at a version >= 0.1.0, < 1.6.11 on the stable line, or any 1.7.0-beta.x on the pre-release line.
  • The sso() plugin is added to their application’s betterAuth({ plugins: [...] }) array.

Recommendation

Update the @better-auth/sso package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 0.1.0, < 1.6.11
  • Patched version(s): 1.6.11

References

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See something that needs correcting? Let us knowUpdated July 20, 2026