{"affected":[{"package":{"ecosystem":"Bitnami","name":"tomcat","purl":"pkg:bitnami/tomcat"},"ranges":[{"events":[{"introduced":"9.0.47"},{"fixed":"9.0.123"}],"type":"SEMVER"}],"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"}]}],"aliases":["CVE-2026-80353"],"database_specific":{"cpes":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"],"severity":"High"},"details":"Time-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat when creating unix domain sockets for the APR/Native connector allows an unauthorised local user to access the unix domain socket. The fix for CVE-2026-65183 only addressed the NIO connector. It did not address the same issue in the APR/Native connector.\n\n\n\nThis issue affects Apache Tomcat: from 9.0.47 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 9.0.123, which fixes the issue.","id":"BIT-tomcat-2026-80353","modified":"2026-10-30T09:15:51.334Z","published":"2026-10-29T09:02:36.268Z","references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/tr0q87qwvs80p9hc53tkwpzvnx0ywftr"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80353"}],"schema_version":"1.6.2","summary":"Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets - Fix for CVE-2026-65183 did not address APR connector"}