{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-108157","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-09T15:41:44.132Z","datePublished":"2026-10-09T16:04:41.138Z","dateUpdated":"2026-10-09T17:14:05.839Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-09T16:04:41.138Z"},"datePublic":"2026-08-12T00:00:00.000Z","title":"Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Authentication","cweId":"CWE-287","type":"CWE"}]}],"affected":[{"vendor":"smp46","product":"pingvin-share-x","defaultStatus":"unaffected","versions":[{"version":"0.19.0","status":"affected","versionType":"semver","lessThan":"1.22.0"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.2,"baseSeverity":"CRITICAL"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"}}],"references":[{"url":"https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-wrcg-4874-45p7","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-wrcg-4874-45p7)"},{"url":"https://github.com/smp46/pingvin-share-x/commit/07aa8c0a96030c439e9018ce94a2778bd37304e6","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/smp46/pingvin-share-x/blob/de7ffecf9bfc4976993149a5c4c98efe35161424/backend/src/oauth/oauth.service.ts#L158-L175","tags":["technical-description"]},{"url":"https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0","tags":["release-notes"],"name":"pingvin-share-x v1.22.0 Release Notes"},{"url":"https://github.com/smp46/pingvin-share-x","tags":["product"]},{"name":"VulnCheck Advisory: Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/pingvin-share-x-0.19.0-before-1.22.0-account-takeover-via-oauth-email-linking"}],"credits":[{"lang":"en","value":"Matéo Florian Callec","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-09T17:09:56.133538Z","id":"CVE-2026-108157","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-09T17:14:05.839Z"}}]}}