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

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/OI...