Findings

CVE-2026-31381

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

Published Mar 20, 2026 · updated Jun 17, 2026 · gainsight assist

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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 20, 2026 · NIST NVD

    Detected

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

  2. Jun 17, 2026 · NIST NVD

    Updated

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

Affected

  • cpe gainsight/assistversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-31381

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-31381

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

    nvd.nist.gov

References

CVE-2026-31381 · ZeroDay Findings