High severity8.0NVD Advisory· Published Sep 17, 2026· Updated Sep 17, 2026
CVE-2026-78428
CVE-2026-78428
Description
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
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Affected products
1Patches
Vulnerability mechanics
References
2News mentions
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