{"id":"CVE-2026-108157","summary":"Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking","details":"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.","aliases":["GHSA-wrcg-4874-45p7"],"modified":"2026-10-10T02:47:29.736915711Z","published":"2026-10-09T16:04:41.138Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108157.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-287"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108157.json"},{"type":"PACKAGE","url":"https://github.com/smp46/pingvin-share-x"},{"type":"ARTICLE","url":"https://github.com/smp46/pingvin-share-x/blob/de7ffecf9bfc4976993149a5c4c98efe35161424/backend/src/oauth/oauth.service.ts#L158-L175"},{"type":"FIX","url":"https://github.com/smp46/pingvin-share-x/commit/07aa8c0a96030c439e9018ce94a2778bd37304e6"},{"type":"ADVISORY","url":"https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0"},{"type":"ADVISORY","url":"https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-wrcg-4874-45p7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108157"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/pingvin-share-x-0.19.0-before-1.22.0-account-takeover-via-oauth-email-linking"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/smp46/pingvin-share-x","events":[{"introduced":"e89e31371269301c9e4a239bcbbde3e79969641a"},{"fixed":"04a1806f1da68c6d1109bf81f7bd2b1cf74709a4"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0.19.0"},{"fixed":"1.22.0"}]}}],"versions":["v1.22.0-beta.0","v1.21.2","v1.21.1","v1.21.0","v1.20.1","v1.20.0","v1.19.1","v1.19.0","v1.18.1","v1.18.0","v1.17.0","v1.16.3","v1.16.2","v1.16.0","v1.15.2","v1.15.1","v1.15.0","v1.14.1","v1.13.4","v1.13.2","v1.13.1","v1.11.1","v1.11.0","v1.10.4","v1.10.3","v1.10.2","v1.10.1","v1.10.0","v1.9.1","v1.9.0","v1.8.2","v1.8.1","v1.8.0","v1.7.2","v1.7.1","v1.7.0","v1.6.1","v1.6.0","v1.5.0","v1.4.0","v1.3.0","v1.2.4","v1.2.3","v1.2.2","v1.2.1","v1.2.0","v1.1.3","v1.1.2","v1.1.1","v1.1.0","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0","v0.29.0","v0.28.0","v0.27.0","v0.26.0","v0.25.0","v0.24.2","v0.24.1","v0.24.0","v0.23.1","v0.23.0","v0.22.2","v0.22.1","v0.22.0","v0.21.5","v0.21.4","v0.21.3","v0.21.2","v0.21.1","v0.21.0","v0.20.3","v0.20.2","v0.20.1","v0.20.0","v0.19.2","v0.19.1","v0.19.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108157.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}