{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31381", "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "state": "PUBLISHED", "assignerShortName": "rapid7", "dateReserved": "2026-03-09T09:05:14.105Z", "datePublished": "2026-03-20T13:02:07.185Z", "dateUpdated": "2026-03-20T13:43:16.949Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-03-20T13:02:07.185Z"}, "title": "Gainsight Assist plugin information disclosure", "datePublic": "2026-03-20T13:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-598", "description": "CWE-598 Use of GET request method with sensitive query strings", "type": "CWE"}]}], "affected": [{"vendor": "Gainsight", "product": "Gainsight Assist", "versions": [{"status": "unknown", "version": "0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL."}]}], "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"]}], "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"}}], "credits": [{"lang": "en", "value": "Christopher O\u2019Boyle, Cybersecurity Advisor at Rapid7", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-20T13:43:16.949Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-31381", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-20T13:43:11.518701Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-20T13:43:13.631Z"}}], "cna": {"title": "Gainsight Assist plugin information disclosure", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Christopher O\u2019Boyle, Cybersecurity Advisor at Rapid7"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Gainsight", "product": "Gainsight Assist", "versions": [{"status": "unknown", "version": "0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "datePublic": "2026-03-20T13:00:00.000Z", "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"]}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "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.", "supportingMedia": [{"type": "text/html", "value": "An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-598", "description": "CWE-598 Use of GET request method with sensitive query strings"}]}], "providerMetadata": {"orgId": "9974b330-7714-4307-a722-5648477acda7", "shortName": "rapid7", "dateUpdated": "2026-03-20T13:02:07.185Z"}}}, "cveMetadata": {"cveId": "CVE-2026-31381", "state": "PUBLISHED", "dateUpdated": "2026-03-20T13:43:16.949Z", "dateReserved": "2026-03-09T09:05:14.105Z", "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7", "datePublished": "2026-03-20T13:02:07.185Z", "assignerShortName": "rapid7"}, "dataVersion": "5.2"}

{"cveTags": [], "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."}], "id": "CVE-2026-31381", "lastModified": "2026-03-20T14:16:14.567", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cve@rapid7.com", "type": "Secondary"}]}, "published": "2026-03-20T14:16:14.567", "references": [{"source": "cve@rapid7.com", "url": "http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed"}], "sourceIdentifier": "cve@rapid7.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-598"}], "source": "cve@rapid7.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Gainsight Assist", "source": "cna", "vendor": "Gainsight"}, "product": "gainsight_assist", "vendor": "gainsight"}], "created": "2026-03-20T16:27:16.322806+00:00", "updated": "2026-03-20T16:27:16.322885+00:00", "vendors": ["gainsight", "gainsight$PRODUCT$gainsight_assist"]}