Vulnerability in Logto

CVE-2026-15614

Logto silently fails to delete IdP-initiated SAML sessions, enabling session replay and reuse within the session’s validity window.

EPSS: 0.002 (13.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

  • Logto — versions 1.21.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15614?
CVE-2026-15614 is a high-severity vulnerability in Logto, classified under Authentication Bypass by Capture-replay. CVSS score: 7.5/10. Published 2026-07-23.
How severe is CVE-2026-15614?
High severity. CVSS v3 base score is 7.5 out of 10.