CVE-2026-49757
team-alembic ash_authentication 취약점
- 대응 우선순위
- 점검
- CVSS
- 9.2
- EPSS
- 0.56% 백분위 42.6% · 2026.06.27 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.15
CVSS 위험도가 높아 영향 여부를 우선 점검할 취약점
Authentication Bypass by Spoofing vulnerability in team-alembic AshAuthentication allows account takeover of local users via OAuth2/OIDC sign-in. AshAuthentication's OAuth2 and OIDC family strategies matched the local user by email address (an upsert on the email field, or a user-defined sign-in filter) rather than by the OpenID Connect iss/sub claim combination. Per OpenID Connect Core §5.7, only iss/sub uniquely and stably identifies an end-user; other claims, including email, MUST NOT be used as unique identifiers. A provider login presenting a victim's email, including an unverified ema...
공급사 team-alembic
제품 ash_authentication
영향 버전 0.1.0, 5.0.0-rc.0, c5f589058e04239263f50a1430eb17ea6d5dd1a2
수정 버전 공식 출처에서 확인 필요
CVSS 벡터 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE CWE-290
EPSS 데이터 기준일 2026.06.27