{"schema":"threatline.record/2","record":{"id":"CVE-2026-101356","aliases":[],"summary":"Apache Tomcat: HTTP/2 request/response mix-up after error during async processing","details":"Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.22 through 11.0.26, from 10.1.55 through 10.1.60, from 9.0.118 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 fixes the issue.","categories":["Web servers"],"product":"Apache Tomcat","vendor":"Apache Software Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-101356","source_modified_at":"2026-10-20T18:17:42.030Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Apache Tomcat","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"11.0.22","lessThanOrEqual":"11.0.26","versionType":"semver"},{"status":"affected","version":"10.1.55","lessThanOrEqual":"10.1.60","versionType":"semver"},{"status":"affected","version":"9.0.118","lessThanOrEqual":"9.0.122","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00518,"percentile":0.43218,"score_date":"2026-10-23"},"published_at":"2026-10-20T13:46:50.842Z","modified_at":"2026-10-20T18:17:42.030Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-101356","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T18:17:42.030Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-101356","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://lists.apache.org/thread.html/d1xjt7bbjqw7y7n5mcb4fm815hpfgc27","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-20T18:17:35.437643Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T18:17:42.030Z","content_hash":"9f5d4e32ce9fe939ccb4be40651730e1992bb97dc12b33102e72ce0bdc36cca7"}}