CVE-2026-31381 - Vulnerability Details - OpenCVE

An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Gainsight	Gainsight Assist

No data.

No data.

References

Link	Providers
http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed

History

Fri, 20 Mar 2026 16:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Gainsight Gainsight gainsight Assist
Vendors & Products		Gainsight Gainsight gainsight Assist

Fri, 20 Mar 2026 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 20 Mar 2026 13:45:00 +0000

Type	Values Removed	Values Added
Description		An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.
Title		Gainsight Assist plugin information disclosure
Weaknesses		CWE-598
References		http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: rapid7

Published: 2026-03-20T13:02:07.185Z

Updated: 2026-03-20T13:43:16.949Z

Reserved: 2026-03-09T09:05:14.105Z

Link: CVE-2026-31381

Vulnrichment

Updated: 2026-03-20T13:43:13.631Z

NVD

Status : Received

Published: 2026-03-20T14:16:14.567

Modified: 2026-03-20T14:16:14.567

Link: CVE-2026-31381

Redhat

No data.

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