{"id":"CVE-2026-15564","aliases":["EUVD-2026-112633","GHSA-89hx-fmwj-cww5"],"status":"published","title":"Wildfly-ejb: wildfly-iiop-openjdk: eap iiop listeners may permit unauthed deserialization","description":"Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00141,"percentile":0.03459,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-829"],"published":"2026-10-29T06:07:28Z","modified":"2026-11-06T17:27:09Z","products":[{"vendor":"red hat","product":"red hat jboss enterprise application platform 7"},{"vendor":"red hat","product":"red hat jboss enterprise application platform 8"},{"vendor":"red hat","product":"red hat jboss enterprise application platform 8.1"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:95887","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-15564","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2478005","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15564"},{"url":"https://github.com/advisories/GHSA-89hx-fmwj-cww5"}],"sources":{"cve":[{"id":"CVE-2026-15564","title":"Wildfly-ejb: wildfly-iiop-openjdk: eap iiop listeners may permit unauthed deserialization","description":"Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.","status":"published","published":"2026-10-29T06:07:28.359Z","modified":"2026-11-06T17:27:09.852Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-829"],"updated_at":"2026-11-06T18:59:08.498645Z"}],"euvd":[{"id":"EUVD-2026-112633","description":"Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.","status":"published","published":"2026-10-29T06:07:28Z","modified":"2026-11-06T17:27:09Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-06T18:05:39.47551Z"}],"ghsa":[{"id":"GHSA-89hx-fmwj-cww5","title":"Wildfly's IIOP listener may permit deserialization of input streams before authentication is...","description":"Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.","status":"published","published":"2026-10-29T06:30:38Z","modified":"2026-11-06T18:34:58Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-829"],"updated_at":"2026-11-06T19:01:26.771329Z"}],"nvd":[{"id":"CVE-2026-15564","description":"Wildfly's IIOP listener may permit deserialization of input streams before authentication is performed. An attacker who can gain access to the IIOP port may be able to construct and send malicious objects and achieve deserialization, if the target EJB allows untyped method parameters, and depending on the potential gadget chains available in the running classpath.","status":"published","published":"2026-10-29T06:17:20.59Z","modified":"2026-11-06T18:18:07.48Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-829"],"updated_at":"2026-11-06T20:01:15.602195Z"}]}}