OAuth2 2.x 업그레이드 후 ID 토큰만 포함된 응답으로 OIDC 로그인 실패

david · 9월 15, 2026, 9:21오후

이 문제는 다음 커밋으로 수정되었어야 합니다:

FIX: Accept an OIDC token response that carries only an id_token (#43587)

committed 03:53PM - 11 Sep 26 UTC

Some providers return a token response with no access token at all, or with an e…mpty `access_token` alongside the `id_token`. `oauth2` 2.x treats `id_token` as one of the keys that can hold the token value, so `AccessToken.from_hash` either takes the `id_token` and removes it from the params, leaving `access_token["id_token"]` nil and the JWT decode failing, or it takes the empty `access_token` and raises "OAuth2::AccessToken has no token". When userinfo is disabled the strategy reads everything it needs from the `id_token`, so build the access token directly and keep the whole parsed response in the params. - The spec for the userinfo-disabled path goes back to an `id_token`-only token response, which is what a provider with no userinfo endpoint sends. - A new case covers a response with a blank `access_token`.

해당 커밋을 배포한 후에도 문제가 계속 발생한다면 알려주세요.

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OAuth2 2.x 업그레이드 후 ID 토큰만 포함된 응답으로 OIDC 로그인 실패

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