CVE-2026-15614highCWE-294

CVE-2026-15614: high-severity vulnerability in Logto

IdP-initiated SAML sessions not reliably invalidated (replay)

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 0.3%
Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Logto · Logto
Related CVEs — Logto

In the same product, most dangerous first.

CVE-2026-15616CRITICALLocal MFA not enforced during SSO sign-inEPSS 0.5%CVE-2026-15611CRITICALUnverified email-based SSO account linkingEPSS 0.5%CVE-2026-15617CRITICALPrincipal/domain lookup without case normalizationEPSS 0.4%CVE-2026-15612CRITICALLOIDC nonce validation bypassEPSS 0.2%CVE-2026-15615HIGHSAML <Conditions> element not validatedEPSS 0.2%