{"id":"CVE-2026-86471","aliases":["BIT-couchdb-2026-86471","EUVD-2026-105155","GHSA-885r-pfpm-ch95","UBUNTU-CVE-2026-86471"],"status":"published","title":"Apache CouchDB: Admin credentials leading to code execution as operating system user","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/S:N/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00606,"percentile":0.49253,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2026-10-20T15:38:09Z","modified":"2026-10-29T10:45:02Z","fixes":[{"ecosystem":"Bitnami","package":"couchdb","fixed_in":["3.5.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"couchdb","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.5.3"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"couchdb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0-0ubuntu7"]}],"products":[{"vendor":"apache software foundation","product":"apache couchdb"}],"references":[{"url":"https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f","tags":["release-notes","web"]},{"url":"https://lists.apache.org/thread/c8p73gswgogtnzvk7hpw8jb8d4mnosdp","tags":["vendor-advisory","web"]},{"url":"http://www.openwall.com/lists/oss-security/2026/10/20/11","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86471","tags":["web"]},{"url":"https://github.com/advisories/GHSA-885r-pfpm-ch95"},{"url":"https://ubuntu.com/security/CVE-2026-86471","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-86471","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-86471","title":"Apache CouchDB: Admin credentials leading to code execution as operating system user","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","status":"published","published":"2026-10-20T15:38:09.681Z","modified":"2026-10-21T03:56:24.122Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/S:N/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T13:49:31.546614Z"}],"euvd":[{"id":"EUVD-2026-105155","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","status":"published","published":"2026-10-20T15:38:09Z","modified":"2026-10-21T03:56:24Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/S:N/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical"}],"updated_at":"2026-11-02T16:59:40.539547Z"}],"ghsa":[{"id":"GHSA-885r-pfpm-ch95","title":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms...","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","status":"published","published":"2026-10-20T18:31:46Z","modified":"2026-10-20T21:31:01Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/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:N/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:14:04.750771Z"}],"nvd":[{"id":"CVE-2026-86471","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","status":"published","published":"2026-10-20T16:17:15.217Z","modified":"2026-10-21T04:18:11.08Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/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:N/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:13:01.161484Z"}],"osv":[{"id":"UBUNTU-CVE-2026-86471","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user. Users are recommended to upgrade to version 3.5.3, which fixes this issue.","status":"published","published":"2026-10-20T16:17:00Z","modified":"2026-10-28T20:17:24.48506109Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:A/S:N/AU:Y/R:U/V:C/RE:M/U:Red","level":"critical"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"BIT-couchdb-2026-86471","title":"Apache CouchDB: Admin credentials leading to code execution as operating system user","description":"An unvalidated runtime configuration value in Apache CouchDB 3.5.2 and below on all platforms allows a CouchDB server admin to run arbitrary shell commands as the CouchDB operating system user.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","status":"published","published":"2026-10-29T08:39:44.027Z","modified":"2026-10-29T10:45:02.803113485Z","updated_at":"2026-11-02T15:28:28.70813Z"}]}}