CVE-2026-108157criticalCWE-287

CVE-2026-108157: critical vulnerability in smp46 pingvin-share-x

Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.2epss 0.5%
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
smp46 · pingvin-share-x
Related CVEs — smp46 pingvin-share-x

In the same product, most dangerous first.

CVE-2026-49467HIGHTOTP enrollment hijack: password gate skipped due to unawaited promiseEPSS 0.6%CVE-2026-44196CRITICALPingvin Share X: TOTP Authentication Bypass via Password-only LoginEPSS 0.3%CVE-2026-108163MEDIUMPingvin Share X before 1.22.0 Ineffective Authentication Rate Limiting via Throttler TTLEPSS 0.2%CVE-2026-108162MEDIUMPingvin Share X before 1.22.0 Rate Limit Bypass via Spoofed X-Forwarded-ForEPSS 0.2%