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.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 09 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Smp46
Smp46 pingvin-share-x
Vendors & Products Smp46
Smp46 pingvin-share-x

Fri, 09 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-09T17:14:05.839Z

Reserved: 2026-10-09T15:41:44.132Z

Link: CVE-2026-108157

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-09T17:16:46.703

Modified: 2026-10-09T17:41:47.060

Link: CVE-2026-108157

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T17:30:08Z

Weaknesses