{"id":"EM-20261105-UQWM","url":"https://cyber.eventmonitor.net/incident/EM-20261105-UQWM/critical-vulnerability-cve-2026-54384/","type":"cve","title":"Critical Vulnerability (CVE-2026-54384)","subtitle":"CVE-2026-54384","subject":"CVE-2026-54384","status":"Developing","severity":"critical","affected":[],"headline":null,"born":"2026-11-05T00:33:07.000Z","firstSignal":"2026-11-04T23:17:48.523Z","lastSignal":"2026-11-05T00:33:07.000Z","updated":"2026-11-05T02:06:24.577Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T00:33:07.000Z","why":"second independent source: C29 CIRCL Vulnerability-Lookup"},{"status":"Developing","at":"2026-11-05T00:33:07.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-04T23:17:48.523Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-05T00:33:07.000Z","what":"Born: second source, C29 CIRCL Vulnerability-Lookup. Page EM-20261105-UQWM created."}],"stages":[{"name":"Disclosed","at":"2026-11-04T23:17:48.523Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-04T23:17:48.523Z","detail":"CVSS 9.3"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-04T23:17:48.523Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":4,"title":"CVE-2026-54384 (CVSS 9.3)","text":"VitaFit cloud API before 2026-10-30 contained an authentication bypass vulnerability that allows remote attackers to obtain a full session for a victim's account by submitting a linked Google or Facebook account identifier to the POST /front/login/sns/ endpoint without providing proof of ownership from the identity provider. Attackers can forge a login using an identifier exposed through account enumeration to read and modify the victim's profile and delete the account's authentication record, preventing the legitimate user from logging in.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54384"},{"at":"2026-11-05T00:33:07.000Z","source":"C29","sourceName":"CIRCL Vulnerability-Lookup","role":"Database","severity":2,"title":"GHSA-gx2r-4x57-mvww / CVE-2026-54384","text":"VitaFit cloud API before 2026-10-30 contained an authentication bypass vulnerability that allows remote attackers to obtain a full session for a victim's account by submitting a linked Google or Facebook account identifier to the POST /front/login/sns/ endpoint without providing proof of ownership f","url":"https://vulnerability.circl.lu/vuln/GHSA-gx2r-4x57-mvww"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-04T23:17:48.523","score":9.3,"severity":"CRITICAL","desc":"VitaFit cloud API before 2026-10-30 contained an authentication bypass vulnerability that allows remote attackers to obtain a full session for a victim's account by submitting a linked Google or Facebook account identifier to the POST /front/login/sns/ endpoint without providing proof of ownership f","product":"","seen":1793844384577},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}