{"schemaVersion":3,"id":"CVE-2026-101521","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in Oracle APEX (component: General).  Supported versions that are affected are 24.1.0-24.1.21, 24.2.0-24.2.20 and  26.1.0-26.1.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle APEX.  Successful attacks of this vulnerability can result in takeover of Oracle APEX. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","dates":{"published":"2026-10-20T21:21:20.206Z","modified":"2026-10-21T11:05:29.889Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00518,"percentile":0.43179,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-21T00:00:00.000Z","score":0.0056,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00518,"percentile":0.43179}],"last30":[{"date":"2026-10-21T00:00:00.000Z","score":0.0056,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00518,"percentile":0.43179}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-287","name":"Improper Authentication","description":"When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/287.html"},{"id":"CWE-306","name":"Missing Authentication for Critical Function","description":"The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/306.html"}],"affected":[{"vendor":"oracle corporation","product":"oracle apex","name":"Oracle APEX","label":"oracle apex","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 24.1.0, ≤ 24.1.21","noFixRecorded":false,"fixedIn":null},{"text":"≥ 24.2.0, ≤ 24.2.20","noFixRecorded":false,"fixedIn":null},{"text":"≥ 26.1.0, ≤ 26.1.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 24.1.0, ≤ 24.1.21 | ≥ 24.2.0, ≤ 24.2.20 | ≥ 26.1.0, ≤ 26.1.4","eol":{"isEol":null,"eolDate":null,"matchMethod":"name_exact","cycle":null,"product":{"name":"oracle-apex","label":"Oracle APEX","category":"framework"}},"hubHref":"/vendor/oracle_corporation/oracle_apex"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","label":"www.oracle.com/security-alerts/cpuoct2026.html","hostname":"www.oracle.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T21:21:20.206Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-21T11:05:29.889Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T15:12:48.953Z","stale":false,"partial":false}}