{"id":"CVE-2026-66756","aliases":["EUVD-2026-51279","GHSA-6m77-jgxr-wx9c","UBUNTU-CVE-2026-66756"],"status":"published","title":"Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=false","description":"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.","severity":{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00746,"percentile":0.55148,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-424"],"published":"2026-07-30T19:18:07Z","modified":"2026-10-28T02:30:55Z","products":[{"vendor":"apache","product":"tika"},{"vendor":"apache software foundation","product":"apache tika"}],"references":[{"url":"https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory","report"]},{"url":"http://www.openwall.com/lists/oss-security/2026/07/30/24","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66756","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6m77-jgxr-wx9c"},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66756.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-66756","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-66756","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-66756","title":"Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=false","description":"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.","status":"published","published":"2026-07-30T19:18:07.9Z","modified":"2026-07-30T19:33:01.657Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-424"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-51279","description":"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.","status":"published","published":"2026-07-30T19:18:07Z","modified":"2026-07-30T19:33:01Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T18:02:27.634971Z"}],"ghsa":[{"id":"GHSA-6m77-jgxr-wx9c","title":"Improper Protection of Alternate Path vulnerability in Apache Tika.\n\nThis issue affects Apache...","description":"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.","status":"published","published":"2026-07-30T21:31:50Z","modified":"2026-08-10T15:34:36Z","cvss":[{"version":"4.0","score":6.9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-424"],"updated_at":"2026-11-02T15:10:14.126548Z"}],"nvd":[{"id":"CVE-2026-66756","description":"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.","status":"published","published":"2026-07-30T20:18:13.877Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"4.0","score":6.9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-424"],"updated_at":"2026-11-02T14:12:33.955581Z"}],"osv":[{"id":"CVE-2026-66756","title":"Apache Tika: unpack endpoint in tika-server allows configuration with unsecureFeatures=false","description":"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.","status":"published","published":"2026-07-30T19:18:07.9Z","modified":"2026-10-28T02:30:55.809252813Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"cwes":["CWE-424"],"updated_at":"2026-11-02T15:45:14.46177Z"},{"id":"UBUNTU-CVE-2026-66756","description":"Improper Protection of Alternate Path vulnerability in Apache Tika. This issue affects Apache Tika: from 4.0.0-alpha-1 before 4.0.0-beta-1. Users are recommended to upgrade to version 4.0.0-beta-1, which fixes the issue.","status":"withdrawn","published":"2026-07-30T20:18:00Z","modified":"2026-09-03T16:04:44.554730642Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:56:53.710209Z"}]}}