{"id":"CVE-2026-88041","aliases":[],"cve":{"records":[{"id":"CVE-2026-88041","source":"apache","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-09T20:29:03.987Z","published":"2026-10-20T13:43:28.681Z","modified":"2026-10-29T17:54:59.322Z"}],"publishers":[{"name":"apache","role":"CNA","organizationId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","modified":"2026-10-20T13:43:28.681Z"},{"name":"CVE","role":"ADP","organizationId":"af854a3a-2127-422b-91ae-364da2661108","modified":"2026-10-20T18:10:05.285Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T17:54:59.322Z"}],"references":[{"url":"https://lists.apache.org/thread.html/dnmm9l3byytg3l66nk1jrqfrl7jty7n1","tags":["vendor-advisory"],"source":"apache"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/20/24","tags":[],"source":"CVE"}],"weaknesses":[{"id":"CWE-459","description":"CWE-459 Incomplete cleanup","source":"apache"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T17:54:06.134329Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Apache Tomcat: HTTP/2 trailer header cross-contamination","titleSource":"apache","descriptionSource":"apache","description":"Incomplete cleanup vulnerability in Apache Tomcat allowed an trailer information from a previous request to leak into a subsequent request.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.26, from 10.1.27 through 10.1.60, from 9.0.92 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.","score":7.5,"severity":"high","published":"2026-10-20T13:43:28.681Z","modified":"2026-10-29T17:54:59.322Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Apache Software Foundation","name":"Apache Tomcat","platforms":[],"versions":[{"version":"11.0.0-M23","status":"affected","lessThanOrEqual":"11.0.26","versionType":"semver"},{"version":"10.1.27","status":"affected","lessThanOrEqual":"10.1.60","versionType":"semver"},{"version":"9.0.92","status":"affected","lessThanOrEqual":"9.0.122","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"apache","url":"https://www.cve.org/CVERecord?id=CVE-2026-88041"}],"remediation":[],"references":["https://lists.apache.org/thread.html/dnmm9l3byytg3l66nk1jrqfrl7jty7n1","http://www.openwall.com/lists/oss-security/2026/10/20/24"],"sources":[{"name":"CVE","id":"CVE-2026-88041","modified":"2026-10-29T17:54:59.322Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-88041"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5}],"sourceAffected":[],"observedAt":"2026-10-29T18:10:45.732Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:50:31.991Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T18:20:33.208Z","attemptedAt":"2026-10-29T18:20:33.208Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T18:20:33.122Z","attemptedAt":"2026-10-29T18:20:33.122Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T18:20:32.597Z","attemptedAt":"2026-10-29T18:20:32.597Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T18:20:32.084Z","attemptedAt":"2026-10-29T18:20:32.084Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-88041","url":"https://www.first.org/epss/","probability":0.0025,"percentile":0.16395,"date":"2026-10-29","checkedAt":"2026-10-29T18:20:32.084Z"},{"source":"ENISA EUVD","id":"EUVD-2026-105007","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-105007","modified":"Oct 20, 2026, 6:10:05 PM","checkedAt":"2026-10-29T18:20:32.597Z"},{"source":"GitHub Advisory Database","id":"GHSA-f6r2-3pj4-jmqq","url":"https://github.com/advisories/GHSA-f6r2-3pj4-jmqq","modified":"2026-10-20T21:31:58Z","checkedAt":"2026-10-29T18:20:33.122Z"},{"source":"NVD","id":"CVE-2026-88041","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88041","modified":"2026-10-29T18:17:36.357","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","checkedAt":"2026-10-29T18:20:33.208Z"}],"aiSummary":{"text":"Apache Tomcat versions 11.0.0-M23 through 11.0.26, 10.1.27 through 10.1.60, and 9.0.92 through 9.0.122 have an incomplete cleanup vulnerability, allowing trailer information from a previous request to leak into a subsequent request. The issue is due to Incomplete cleanup (CWE-459).","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:53:17.754Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-88041"}]}}