{"schemaVersion":3,"id":"CVE-2026-91452","aliases":["DEBIAN-CVE-2026-91452"],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking).  Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and  21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).","dates":{"published":"2026-10-20T21:26:03.214Z","modified":"2026-10-22T18:50:25.927Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00297,"percentile":0.21216,"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":0.00297,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00297,"percentile":0.21216}],"last30":[{"date":"2026-10-21T00:00:00.000Z","score":0.00297,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.00297,"percentile":0.21216}]},"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-284","name":"Improper Access Control","description":"The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Pillar","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/284.html"}],"affected":[{"vendor":"debian","product":"openjdk-17","name":"openjdk-17","label":"openjdk-17","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/openjdk-17","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"debian","product":"openjdk-21","name":"openjdk-21","label":"openjdk-21","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/openjdk-21","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"debian","product":"openjdk-25","name":"openjdk-25","label":"openjdk-25","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/openjdk-25","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"oracle corporation","product":"oracle graalvm enterprise edition","name":"Oracle GraalVM Enterprise Edition","label":"oracle graalvm enterprise edition","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"21.3.19.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"21.3.19.1.1","eol":null,"hubHref":"/vendor/oracle_corporation/oracle_graalvm_enterprise_edition"},{"vendor":"oracle corporation","product":"oracle graalvm for jdk","name":"Oracle GraalVM for JDK","label":"oracle graalvm for jdk","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"17.0.20.1","noFixRecorded":false,"fixedIn":null},{"text":"21.0.12.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"17.0.20.1 | 21.0.12.1","eol":null,"hubHref":"/vendor/oracle_corporation/oracle_graalvm_for_jdk"},{"vendor":"oracle corporation","product":"oracle java se","name":"Oracle Java SE","label":"oracle java se","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"8u503","noFixRecorded":false,"fixedIn":null},{"text":"8u503-perf","noFixRecorded":false,"fixedIn":null},{"text":"11.0.32.1","noFixRecorded":false,"fixedIn":null},{"text":"17.0.20.1","noFixRecorded":false,"fixedIn":null},{"text":"21.0.12.1","noFixRecorded":false,"fixedIn":null},{"text":"25.0.4.1","noFixRecorded":false,"fixedIn":null},{"text":"27","noFixRecorded":false,"fixedIn":null}],"versionsText":"8u503 | 8u503-perf | 11.0.32.1 | 17.0.20.1 | 21.0.12.1 | 25.0.4.1 | 27","eol":null,"hubHref":"/vendor/oracle_corporation/oracle_java_se"}],"affectedCount":6,"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"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-91452","label":"security-tracker.debian.org/tracker/CVE-2026-91452","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T21:26:03.214Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-22T18:50:25.927Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T21:13:39.100Z","stale":false,"partial":false}}