TROYANOSYVIRUS
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CVE-2026-31381

MEDIUM
5.3

Description

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

CVE Details

CVSS v3.1 Score5.3
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published3/20/2026
Last Modified3/24/2026
Sourcenvd
Honeypot Sightings0

Weaknesses (CWE)

CWE-598

References

http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixed(cve@rapid7.com)
https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587(cve@rapid7.com)

IOC Correlations

No correlations recorded

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