{"id":"EUVD-2026-101747","revision":"d6a9c097465c4e42b6307b852350630a","records":[{"revision":"d6a9c097465c4e42b6307b852350630a","observedAt":"2026-10-28T00:52:37.485+00:00","statement":{"source":"euvd","id":"EUVD-2026-101747","aliases":["CVE-2026-110864","GHSA-w232-44q8-h37x"],"title":"Better Auth from 1.5.0-beta.12 before 1.7.7 contains an authentication bypass vulnerability in the OAuth Proxy plugin that allows unauthenticated attackers to sign in as other users by forging encrypted profiles. When the proxy shares the g…","description":"Better Auth from 1.5.0-beta.12 before 1.7.7 contains an authentication bypass vulnerability in the OAuth Proxy plugin that allows unauthenticated attackers to sign in as other users by forging encrypted profiles. When the proxy shares the global secret and cookie-stored state is used, attackers can obtain encrypted state for a fake profile with a victim's verified email to take over the account via implicit linking.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":9.1,"severity":null}],"references":["https://github.com/better-auth/better-auth/security/advisories/GHSA-r4xp-prcw-77qf","https://www.vulncheck.com/advisories/better-auth-1.5.0-beta.12-before-1.7.7-authentication-bypass-via-oauth-proxy"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-101747","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 14, 2026, 10:52:51 PM","dateUpdated":"Oct 15, 2026, 3:36:16 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-101747","identifiers":["EUVD-2026-101747","CVE-2026-110864","GHSA-w232-44q8-h37x"]},"retained":false,"historicalAffected":[]}],"coverage":[]}