{"cve_id":"CVE-2021-26086","published":"2021-08-16T01:15:06.353000+00:00","last_modified":"2026-06-17T03:42:50.110000+00:00","vuln_status":"Analyzed","description":"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.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","base_score":5.3,"base_severity":"MEDIUM","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"LOW","impact_i":"NONE","impact_a":"NONE","cwe_ids":["CWE-22"],"in_kev":true,"kev_date_added":"2024-11-12","kev_ransomware":false,"epss_score":0.99999,"epss_percentile":0.99993,"cap_rule_version":"0.1.1","stage":"RECON","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"NONE","caps":["INFO_DISCLOSURE"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:47:10.756498+00:00","first_seen":"2021-08-16T01:15:06.353000+00:00","kev_first_seen":"2024-11-12T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["atlassian"],"products":["jira_data_center","jira_server"],"affected":[{"vendor":"atlassian","product":"jira_data_center","ranges":["< 8.5.14","≥ 8.6.0 and < 8.13.6","≥ 8.14.0 and < 8.16.1"]},{"vendor":"atlassian","product":"jira_server","ranges":["< 8.5.14","≥ 8.6.0 and < 8.13.6","≥ 8.14.0 and < 8.16.1"]}]}