Skip to content
OpenAdvisories

Vendor

Logto

6 known vulnerabilities.

Logto at a glance

Last 12 months
6
Critical · all time
4
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 5 10 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 6 vulnerabilities, 4 critical August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
Show as table
MonthVulnerabilitiesCritical
Nov 202600
Oct 202600
Sep 202600
Aug 202600
Jul 202664
Jun 202600
May 202600
Apr 202600
Mar 202600
Feb 202600
Jan 202600
Dec 202500
Nov 202500
Oct 202500
Sep 202500
Aug 202500
Jul 202500
Jun 202500
May 202500
Apr 202500
Mar 202500
Feb 202500
Jan 202500
Dec 202400

Products

Logto 6
All Critical High Medium Low Exploited only Public exploit

6 results · Feed

  • Critical 9.1
    CVE-2026-15611

    Unverified email-based SSO account linking

    Logto allows unverified email-based SSO account linking, enabling an attacker to register an identity at a permissive IdP using a victim’s email and gain unauthorized access to the victim’s account.

    Logto Logto
  • Critical 9.1
    CVE-2026-15612

    LOIDC nonce validation bypass

    Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding.

    Logto Logto
  • High 7.5
    CVE-2026-15614

    IdP-initiated SAML sessions not reliably invalidated (replay)

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

    Logto Logto
  • High 7.5
    CVE-2026-15615

    SAML <Conditions> element not validated

    Logto omits validation of the SAML <Conditions> element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely.

    Logto Logto
  • Critical 9.1
    CVE-2026-15616

    Local MFA not enforced during SSO sign-in

    Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.

    Logto Logto
  • Critical 9.1
    CVE-2026-15617

    Principal/domain lookup without case normalization

    Logto performs principal lookup without normalizing email and identifier strings, enabling principal collision and unauthorized account access via case- or Unicode-different identities.

    Logto Logto