{"id":"CVE-2021-26072","aliases":["EUVD-2021-12895","GHSA-889g-gr2g-424w"],"status":"published","title":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6...","description":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.41219,"percentile":0.98679,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2021-04-01T18:10:35Z","modified":"2026-06-17T03:42:48Z","exploits":[{"source":"nuclei","id":"CVE-2021-26072","title":"Atlassian Confluence \u003c 5.8.6 - Server-Side Request Forgery","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-26072.yaml"}],"products":[{"vendor":"atlassian","product":"confluence data center"},{"vendor":"atlassian","product":"confluence server"},{"vendor":"atlassian","product":"confluence_data_center"},{"vendor":"atlassian","product":"confluence_server"}],"references":[{"url":"https://jira.atlassian.com/browse/CONFSERVER-61399","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26072"},{"url":"https://github.com/advisories/GHSA-889g-gr2g-424w"}],"sources":{"cve":[{"id":"CVE-2021-26072","description":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.","status":"published","published":"2021-04-01T18:10:35.728Z","modified":"2024-09-17T01:40:50.388Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-12895","description":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.","status":"published","published":"2021-04-01T18:10:35Z","modified":"2024-09-17T01:40:50Z","updated_at":"2026-11-03T00:28:47.497259Z"}],"ghsa":[{"id":"GHSA-889g-gr2g-424w","title":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6...","description":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.","status":"published","published":"2022-05-24T17:46:04Z","modified":"2023-01-27T05:03:30Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:42:15.698999Z"}],"nvd":[{"id":"CVE-2021-26072","description":"The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.","status":"published","published":"2021-04-01T19:15:13.623Z","modified":"2026-06-17T03:42:48.01Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:06:51.197859Z"}]}}