{"id":"CVE-2021-26086","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-26086","summary":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected…","details":"Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint. The affected versions are before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1.","published":"2021-08-16T00:15:09.827Z","modified":"2025-10-21T23:25:37.960Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.99999,"percentile":0.99992,"asOf":"2026-09-17"},"cisaKev":{"dateAdded":"2024-11-12","dueDate":"2024-12-03","knownRansomwareCampaignUse":false},"exploitsKnown":5,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://jira.atlassian.com/browse/JRASERVER-72695"},{"type":"WEB","url":"http://packetstormsecurity.com/files/164405/Atlassian-Jira-Server-Data-Center-8.4.0-File-Read.html"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26086"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2025-10-21T23:25:37.960Z"}}