CVE-2026-31381

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

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed	Third Party Advisory
https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gainsight:assist:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-20 14:16

Updated : 2026-06-17 10:33

NVD link : CVE-2026-31381

Mitre link : CVE-2026-31381

CVE.ORG link : CVE-2026-31381

JSON object : View

Products Affected

gainsight

assist

CWE

CWE-598

Use of HTTP Request With Sensitive Query String

NVD-CWE-noinfo

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