{"id":"CVE-2026-86532","aliases":["EUVD-2026-121213","GHSA-r4rg-8p66-xx49"],"status":"published","title":"Apache TomEE: Username enumeration and timing side channel in JAAS login modules","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":{"day":"2026-11-11","score":0.00201,"percentile":0.10045,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2026-11-10T14:53:27Z","modified":"2026-11-10T15:33:44Z","products":[{"vendor":"apache software foundation","product":"apache tomee"}],"references":[{"url":"https://lists.apache.org/thread.html/oohwxbp6xx8dgl18xy1p1y6qjg59dgoh","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86532"},{"url":"https://github.com/advisories/GHSA-r4rg-8p66-xx49"}],"sources":{"cve":[{"id":"CVE-2026-86532","title":"Apache TomEE: Username enumeration and timing side channel in JAAS login modules","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.","status":"published","published":"2026-11-10T14:53:27.146Z","modified":"2026-11-10T14:54:34.639Z","cwes":["CWE-203"],"updated_at":"2026-11-10T15:39:11.409762Z"}],"euvd":[{"id":"EUVD-2026-121213","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.","status":"published","published":"2026-11-10T14:53:27Z","modified":"2026-11-10T14:54:34Z","updated_at":"2026-11-10T17:21:44.86098Z"}],"ghsa":[{"id":"GHSA-r4rg-8p66-xx49","title":"The bundled JAAS login modules leak whether a username exists and compare credentials in a non...","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.","status":"published","published":"2026-11-10T15:33:37Z","modified":"2026-11-10T15:33:44Z","cwes":["CWE-203"],"updated_at":"2026-11-10T15:55:02.881893Z"}],"nvd":[{"id":"CVE-2026-86532","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.","status":"published","published":"2026-11-10T15:17:30.073Z","modified":"2026-11-10T15:17:30.073Z","cwes":["CWE-203"],"updated_at":"2026-11-10T18:20:10.790002Z"}]}}