{"id":"CVE-2026-76183","revision":"ca91b5187df74137a79fc9a12b783f0e","records":[{"revision":"ca91b5187df74137a79fc9a12b783f0e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-76183","aliases":[],"title":"Apache Tomcat: Bypass of security constraints for WebSocket endpoints","description":"Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any WebSocket endpoint to be bypassed.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121.\n\n\n\nThe following versions were EOS at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100, from 7.0.43 through 7.0.109. Other unsupported versions may also be affected.\n\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.","state":0,"publishedAt":"2026-09-23T11:16:09.907+00:00","modifiedAt":"2026-09-30T14:54:21.515+00:00","affected":[{"ecosystem":"Vendor product","name":"Apache Tomcat","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"product\": \"Apache Tomcat\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.0.0-M1\",\n                            \"lessThanOrEqual\": \"11.0.25\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"10.1.0-M1\",\n                            \"lessThanOrEqual\": \"10.1.59\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.0.0.M1\",\n                            \"lessThanOrEqual\": \"9.0.121\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.5.0\",\n                            \"lessThanOrEqual\": \"8.5.100\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"7.0.43\",\n                            \"lessThanOrEqual\": \"7.0.109\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.0.43\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[],"references":["https://lists.apache.org/thread/45mxk8nj2q8pkhct6lfxkvtm2jpywrsp"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-76183","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-76183","identifiers":["CVE-2026-76183"]},"retained":false,"historicalAffected":[]}],"coverage":[]}