EUVD-2026-13684

| CVE-2026-31381 MEDIUM
2026-03-20 rapid7
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 20, 2026 - 13:45 vuln.today
EUVD ID Assigned
Mar 20, 2026 - 13:45 euvd
EUVD-2026-13684
CVE Published
Mar 20, 2026 - 13:02 nvd
MEDIUM 5.3

Tags

Information Disclosure

Description

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

Analysis

Gainsight Assist contains an information disclosure vulnerability where user email addresses (PII) are exposed in base64-encoded format within the OAuth callback URL's state parameter. This affects all versions of Gainsight Assist and allows unauthenticated remote attackers to extract sensitive personal information with no user interaction required. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

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EUVD-2026-13684 vulnerability details – vuln.today
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