{"affected":[{"defaultStatus":"unaffected","ecosystem":"maven","packageName":"org.apache.openejb:openejb-core","product":"Apache TomEE","source":"CNA: apache","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"4.7.5","status":"affected","version":"4.0.0-beta-1","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"maven","packageName":"org.apache.tomee:openejb-core","product":"Apache TomEE","source":"CNA: apache","vendor":"Apache Software Foundation","versions":[{"lessThan":"10.0.0-M1","status":"affected","version":"7.0.0-M1","versionType":"semver"},{"lessThan":"10.3.0","status":"affected","version":"10.0.0-M1","versionType":"semver"},{"lessThan":"11.0.0-M2","status":"affected","version":"11.0.0-M1","versionType":"semver"}]}],"cveId":"CVE-2026-86532","cwes":["CWE-203"],"description":"The bundled JAAS login modules leak whether a username exists and compare credentials in a non-constant-time manner. A remote unauthenticated attacker can enumerate valid accounts and may infer credential material through timing analysis. Users are recommended to upgrade to version 10.3.0 or 11.0.0-M2, which fix the issue.","epss":null,"exploits":[],"kev":null,"metrics":[],"modifiedAt":1794322474639,"publishedAt":1794322407146,"references":[{"source":"CNA: apache","tags":["vendor-advisory"],"url":"https://lists.apache.org/thread.html/oohwxbp6xx8dgl18xy1p1y6qjg59dgoh"}],"remediation":[],"revision":"5c8b87dfc20f9fff3a4bd09d901912f43a965ea6950ff7c02d98535209798a48","sources":[{"modifiedAt":1794322474639,"name":"CNA: apache","retrievedAt":1794323475248,"url":"https://www.cve.org/CVERecord?id=CVE-2026-86532"}],"ssvc":null,"status":"published","title":"Apache TomEE: Username enumeration and timing side channel in JAAS login modules","updatedAt":1794323475248}