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Medium 5.3Published Mar 20, 2026
CVE-2026-31381An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.
Updated under an hour ago ()
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It affects gainsight assist. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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An attacker can extract user email addresses (PII) exposed in base64 encoding via the state parameter in the OAuth callback URL.
- CVSS
- 5.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-598
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
gainsight assist gainsight:assist | all versions | NVD |
References
- http://www.rapid7.com/blog/post/ve-cve-2026-31381-cve-2026-31382-gainsight-assist-information-disclosure-xss-fixedthird-party-advisory
- https://communities.gainsight.com/community-news-2/recent-gainsight-assist-plugin-remediations-cve-2026-31381-and-cve-2026-31382-30587vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.