CVE Catalog

CVE-2026-78428

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.24%

15th percentile - higher than 15% of all known CVEs

Summary

For users authenticated through SAML or OpenID Connect (OIDC), this vulnerability can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently.

Risk Assessment

This may lead to unauthorized access to another user's session, posing a serious breach of confidentiality and data integrity.

Recommendation

Apply the vendor's available fixes for the SSO mechanism and consider limiting concurrent login attempts until the update is deployed.

Related vulnerabilities

Original NVD description (English source)

For users authenticated through SAML or OpenID Connect (OIDC), this vulnerability can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently

Vulnerability data from NVD (NIST) · CISA KEV · EPSS