{"schemaVersion":3,"id":"CVE-2026-90910","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Missing authentication for critical function vulnerability in Apache Answer.\n\n\n\nThis issue affects Apache Answer: through 2.0.2.\n\n\n\nThe reaction API did not enforce content visibility controls, allowing unauthorized users to read reaction metadata from restricted content or add and remove their own reactions.\n\n\n\nUsers are recommended to upgrade to version 2.0.3, which fixes the issue.","dates":{"published":"2026-10-19T09:35:54.679Z","modified":"2026-10-19T18:50:42.533Z","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":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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-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":"apache software foundation","product":"apache answer","name":"Apache Answer","label":"apache answer","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2.0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2.0.2","eol":null,"hubHref":"/vendor/apache_software_foundation/apache_answer"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://lists.apache.org/thread/bhw80mvmnt9206wyqz80rcbwx1znv1p3","label":"lists.apache.org/thread/bhw80mvmnt9206wyqz80rcbwx1znv1p3","hostname":"lists.apache.org","tags":["Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/16/34","label":"www.openwall.com/lists/oss-security/2026/10/16/34","hostname":"www.openwall.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-19T09:35:54.679Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-19T18:50:42.533Z","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":"2026-10-20T07:30:12.561Z","stale":false,"partial":false}}