Vulnerability record · CVE-2026-78428 · published 17 September 2026
CVE-2026-78428: For users authenticated through SAML or OpenID Connect (OIDC), this vulnerability can result in one user recei…
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
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
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
References
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Source: NIST National Vulnerability Database (record CVE-2026-78428), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.