{"id":"CVE-2026-31381","aliases":["EUVD-2026-13684","GHSA-r65g-h7vf-rvr5"],"status":"published","title":"Gainsight Assist plugin information disclosure","description":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00316,"percentile":0.2471,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-598"],"published":"2026-03-20T13:02:07Z","modified":"2026-06-17T10:33:36Z","products":[{"vendor":"gainsight","product":"assist"},{"vendor":"gainsight","product":"gainsight assist"}],"references":[{"url":"http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31381"},{"url":"https://github.com/advisories/GHSA-r65g-h7vf-rvr5"}],"sources":{"cve":[{"id":"CVE-2026-31381","title":"Gainsight Assist plugin information disclosure","description":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.","status":"published","published":"2026-03-20T13:02:07.185Z","modified":"2026-03-23T10:21:31.048Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T14:19:51.277563Z"}],"euvd":[{"id":"EUVD-2026-13684","description":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.","status":"published","published":"2026-03-20T13:02:07Z","modified":"2026-03-23T10:21:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:31.656142Z"}],"ghsa":[{"id":"GHSA-r65g-h7vf-rvr5","title":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state...","description":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.","status":"published","published":"2026-03-20T15:31:13Z","modified":"2026-03-23T12:30:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T15:06:47.740951Z"}],"nvd":[{"id":"CVE-2026-31381","description":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.","status":"published","published":"2026-03-20T14:16:14.567Z","modified":"2026-06-17T10:33:36.493Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T14:12:10.126802Z"}]}}