CVE-2026-31381— Gainsight Assist plugin information disclosure
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I. Basic Information for CVE-2026-31381
Vulnerability Information
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Vulnerability Title
Gainsight Assist plugin information disclosure
Source: NVD (National Vulnerability Database)
Vulnerability Description
An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过GET请求中的查询字符串导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Gainsight Assist 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gainsight Assist是Gainsight公司的一款客户沟通模板管理工具。 Gainsight Assist存在安全漏洞，该漏洞源于OAuth回调URL的state参数中暴露了base64编码的用户电子邮件地址，可能导致个人信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Gainsight | Gainsight Assist | - | - |
II. Public POCs for CVE-2026-31381
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-598
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IBM InfoSphere Information Server is vulnerable due to discl - CVE-2025-14811
IBM Sterling Partner Engagement Manager Information Disclosu
V. Comments for CVE-2026-31381
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