{"id":"CVE-2026-105866","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105866","generatedAt":"2026-10-28T01:11:39.763Z","title":"In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from…","description":"Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, an unauthenticated attacker who knows an account email address or username can abuse the account lockout mechanism of a local-authentication collection to prevent that account from signing in. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.","published":"2026-10-06T17:17:23.000Z","lastModified":"2026-10-15T00:08:37.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-307","CWE-645"],"affected":["payloadcms/payload"],"epss":{"score":0.00369,"percentile":0.30504,"date":"2026-10-26","history":[{"date":"2026-10-07","score":0.00351,"percentile":0.26684}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-06T17:17:23.000Z","detail":{"score":"6.9","severity":"MEDIUM","publishedAt":"2026-10-06T17:17:22.990Z"},"summary":"New CVE, medium severity (CVSS 6.9)."}],"references":[{"url":"https://github.com/payloadcms/payload/commit/1c46204a73a0a9f988a80c52690eee5a4ada3cf1","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.90.0","tags":["Patch","Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-v5gf-vpjc-pc7w","tags":["Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105866","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}