{"cve_id":"CVE-2021-26085","published":"2021-08-03T00:15:08.557000+00:00","last_modified":"2026-06-17T03:42:49.933000+00:00","vuln_status":"Analyzed","description":"Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.","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-425"],"in_kev":true,"kev_date_added":"2022-03-28","kev_ransomware":true,"epss_score":0.99937,"epss_percentile":0.99971,"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":"2026-09-18T09:46:15.678744+00:00","first_seen":"2021-08-03T00:15:08.557000+00:00","kev_first_seen":"2022-03-28T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["atlassian"],"products":["confluence_data_center","confluence_server"],"affected":[{"vendor":"atlassian","product":"confluence_data_center","ranges":["< 7.4.10","≥ 7.5.0 and < 7.12.3"]},{"vendor":"atlassian","product":"confluence_server","ranges":["< 7.4.10","≥ 7.5.0 and < 7.12.3"]}]}