CVE-2026-31381CWE-598

Gainsight Assist plugin information disclosure

Medium · published March 20, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
28.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00360 · 28.6th percentile
Weakness
CWE-598 · Use of HTTP Request With Sensitive Query String
Published
2026-03-20T13:02Z
EPSS history
Timeline
  • 20 MAR 13:02Z
    Gainsight Assist plugin information disclosure
    cvelistv5