{"id":"CVE-2026-108157","revision":"ca3368c0b023475bbc5888121b8ec156","records":[{"revision":"ca3368c0b023475bbc5888121b8ec156","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108157","aliases":[],"title":"Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking","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.","state":0,"publishedAt":"2026-10-09T16:04:41.138+00:00","modifiedAt":"2026-10-09T17:14:05.839+00:00","affected":[{"ecosystem":"Vendor product","name":"pingvin-share-x","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"smp46\",\n                    \"product\": \"pingvin-share-x\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.19.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.22.0\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":9.2,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1,"severity":"HIGH"}],"references":["https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-wrcg-4874-45p7","https://github.com/smp46/pingvin-share-x/commit/07aa8c0a96030c439e9018ce94a2778bd37304e6","https://github.com/smp46/pingvin-share-x/blob/de7ffecf9bfc4976993149a5c4c98efe35161424/backend/src/oauth/oauth.service.ts#L158-L175","https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0","https://github.com/smp46/pingvin-share-x","https://www.vulncheck.com/advisories/pingvin-share-x-0.19.0-before-1.22.0-account-takeover-via-oauth-email-linking"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108157","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108157","identifiers":["CVE-2026-108157"]},"retained":false,"historicalAffected":[]}],"coverage":[]}