CVE-2026-31381 json
Gainsight Assist plugin information disclosure
published 2026-03-20 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-13684
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Gainsight Gainsight Assist
Classification
- Weakness
-
- CWE-598 Use of HTTP Request With Sensitive Query String
References
Sources
- CVE List CVE-2026-31381
- NVD CVE-2026-31381
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