{"id":"CVE-2026-31381","state":"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.","publishedAt":"2026-03-20T13:02:07.185Z","updatedAt":"2026-03-23T10:21:31.048Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"rapid7"},"assigner":"rapid7","products":["Gainsight Gainsight Assist"],"affected":[{"vendor":"Gainsight","product":"Gainsight Assist","defaultStatus":"unaffected","versions":[{"version":"0","status":"unknown","versionType":"semver"}]}],"references":["http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed","https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587"],"weaknesses":["CWE-598"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31381.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31381","state":"PUBLISHED","datePublished":"2026-03-20T13:02:07.185Z","dateUpdated":"2026-03-23T10:21:31.048Z","assignerShortName":"rapid7","assignerOrgId":"9974b330-7714-4307-a722-5648477acda7","dateReserved":"2026-03-09T09:05:14.105Z"},"containers":{"cna":{"title":"Gainsight Assist plugin information disclosure","descriptions":[{"lang":"en","value":"An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL."}],"affected":[{"vendor":"Gainsight","product":"Gainsight Assist","defaultStatus":"unaffected","versions":[{"version":"0","status":"unknown","versionType":"semver"}]}],"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"]},{"url":"https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-598","lang":"en","description":"CWE-598 Use of GET request method with sensitive query strings","type":"CWE"}]}],"providerMetadata":{"shortName":"rapid7","orgId":"9974b330-7714-4307-a722-5648477acda7","dateUpdated":"2026-03-23T10:21:31.048Z"},"datePublic":"2026-03-20T13:00:00.000Z","credits":[{"lang":"en","value":"Christopher O’Boyle, Cybersecurity Advisor at Rapid7","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-20T13:43:11.518701Z","id":"CVE-2026-31381","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-20T13:43:16.949Z"}}]}}}