CVE-2026-108157 – Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking

​CVE ID :CVE-2026-108157

Published : Oct. 9, 2026, 5:16 p.m. | 50 minutes ago

Description :Pingvin Share X from 0.19.0 before 1.22.0 contains an improper authentication vulnerability that allows remote unauthenticated attackers to take over accounts by abusing automatic OAuth email linking in OAuthService.signUp(). Attackers can register a victim’s unverified email on an enabled OAuth/OIDC provider, exploiting the missing email_verified check in GenericOidcProvider, to sign in as the victim including administrators while bypassing TOTP.

Severity: 9.2 | CRITICAL

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