{"id":"CVE-2026-66756","summary":"Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=false","details":"Improper Protection of Alternate Path vulnerability in Apache Tika.\n\nThis issue affects Apache Tika: from 4.0.0-alpha-1 before 4.0.0-beta-1.\n\nUsers are recommended to upgrade to version 4.0.0-beta-1, which fixes the issue.","modified":"2026-08-12T04:18:43.177502428Z","published":"2026-07-30T19:18:07.900Z","database_specific":{"cwe_ids":["CWE-424"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66756.json","unresolved_ranges":[{"extracted_events":[{"introduced":"4.0.0-alpha-1"},{"fixed":"4.0.0-beta-1"}],"source":"AFFECTED_FIELD"},{"source":"DESCRIPTION","extracted_events":[{"introduced":"4.0.0-alpha-1"},{"fixed":"4.0.0-beta-1"}]}],"cna_assigner":"apache"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/07/30/24"},{"type":"WEB","url":"https://repo.maven.apache.org/maven2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66756.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66756"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tika","events":[{"introduced":"b077f09e6c23a622d7b2816422987d182e2fc874"},{"fixed":"000bf5abd53a14e29ef851ede7dbbaeb736e23c6"}],"database_specific":{"source":"DESCRIPTION","extracted_events":[{"introduced":"4.0.0-alpha-1"},{"fixed":"4.0.0-beta-1"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66756.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}]}