# Logto vulnerabilities Source: https://junglewise.ai/threats/vendors/logto Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/logto.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 15 vulnerabilities in Logto: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-63203, was published on 24 September 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before. 1 technology has a page of its own. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 5 - All time: 15 (0 critical, 0 exploited in the wild) ## About Logto An open-source identity infrastructure for developers. ## Latest Logto vulnerabilities - [CVE-2026-63203: Logto Account API authorization bypass for third-party tokens](https://junglewise.ai/threats/cve-2026-63203-logto-is-the-modern-open-source-auth-infrastructure-for-saas-and) (high, CVSS 7.6, published 24 Sep 2026) - [CVE-2026-56739: Logto SSRF in webhook and connector endpoints](https://junglewise.ai/threats/cve-2026-56739-logto-is-the-modern-open-source-auth-infrastructure-for-saas-and) (info, published 24 Sep 2026) - [CVE-2026-82263: Logto server-side request forgery in OIDC connector creation](https://junglewise.ai/threats/cve-2026-82263-logto-server-side-request-forgery-in-oidc-connector-creation) (medium, CVSS 6.8, published 28 Aug 2026) - [CVE-2026-82262: Logto server-side request forgery in webhook test endpoint](https://junglewise.ai/threats/cve-2026-82262-logto-server-side-request-forgery-in-webhook-test-endpoint) (medium, CVSS 6.8, published 28 Aug 2026) - [CVE-2026-63188: Logto @logto/tunnel path traversal in static file serving](https://junglewise.ai/threats/cve-2026-63188-logto-logto-tunnel-path-traversal-in-static-file-serving) (high, CVSS 4, published 19 Aug 2026) - [CVE-2026-15617: Logto account takeover via improper identifier normalization](https://junglewise.ai/threats/cve-2026-15617-logto-account-takeover-via-improper-identifier-normalization) (info, published 23 Jul 2026) - [CVE-2026-15616: Logto MFA bypass during SSO authentication](https://junglewise.ai/threats/cve-2026-15616-logto-mfa-bypass-during-sso-authentication) (info, CVSS 0, published 23 Jul 2026) - [CVE-2026-15615: Logto missing SAML Conditions validation in SAML Connector](https://junglewise.ai/threats/cve-2026-15615-logto-missing-saml-conditions-validation-in-saml-connector) (info, published 23 Jul 2026) - [CVE-2026-15614: Logto session replay vulnerability in IdP-initiated SAML sessions](https://junglewise.ai/threats/cve-2026-15614-logto-session-replay-vulnerability-in-idp-initiated-saml-sessions) (info, CVSS 0, published 23 Jul 2026) - [CVE-2026-15612: Logto OIDC nonce validation bypass in OidcConnector](https://junglewise.ai/threats/cve-2026-15612-logto-oidc-nonce-validation-bypass-in-oidcconnector) (info, published 23 Jul 2026) - [CVE-2026-15611: Logto unverified email-based SSO account linking](https://junglewise.ai/threats/cve-2026-15611-logto-unverified-email-based-sso-account-linking) (info, CVSS 8.1, published 23 Jul 2026) - [CVE-2026-55789: Logto XML injection in SAML IdP profile attributes](https://junglewise.ai/threats/cve-2026-55789-logto-xml-injection-in-saml-idp-profile-attributes) (high, CVSS 8.5, published 10 Jul 2026) - [CVE-2026-55377: Logto MFA bypass in Account Center step-up verification](https://junglewise.ai/threats/cve-2026-55377-logto-mfa-bypass-in-account-center-step-up-verification) (high, CVSS 8.1, published 10 Jul 2026) - [CVE-2026-55370: Logto TOTP authentication bypass via capture-replay](https://junglewise.ai/threats/cve-2026-55370-logto-totp-authentication-bypass-via-capture-replay) (medium, CVSS 6.4, published 10 Jul 2026) - [CVE-2026-54714: Logto reflected XSS in SAML auto-submit form](https://junglewise.ai/threats/cve-2026-54714-logto-reflected-xss-in-saml-auto-submit-form) (medium, CVSS 6.1, published 10 Jul 2026) ## Most severe Logto vulnerabilities - [CVE-2026-55789: Logto XML injection in SAML IdP profile attributes](https://junglewise.ai/threats/cve-2026-55789-logto-xml-injection-in-saml-idp-profile-attributes) (high, CVSS 8.5, published 10 Jul 2026) - [CVE-2026-55377: Logto MFA bypass in Account Center step-up verification](https://junglewise.ai/threats/cve-2026-55377-logto-mfa-bypass-in-account-center-step-up-verification) (high, CVSS 8.1, published 10 Jul 2026) - [CVE-2026-63203: Logto Account API authorization bypass for third-party tokens](https://junglewise.ai/threats/cve-2026-63203-logto-is-the-modern-open-source-auth-infrastructure-for-saas-and) (high, CVSS 7.6, published 24 Sep 2026) - [CVE-2026-63188: Logto @logto/tunnel path traversal in static file serving](https://junglewise.ai/threats/cve-2026-63188-logto-logto-tunnel-path-traversal-in-static-file-serving) (high, CVSS 4, published 19 Aug 2026) - [CVE-2026-82263: Logto server-side request forgery in OIDC connector creation](https://junglewise.ai/threats/cve-2026-82263-logto-server-side-request-forgery-in-oidc-connector-creation) (medium, CVSS 6.8, published 28 Aug 2026) - [CVE-2026-82262: Logto server-side request forgery in webhook test endpoint](https://junglewise.ai/threats/cve-2026-82262-logto-server-side-request-forgery-in-webhook-test-endpoint) (medium, CVSS 6.8, published 28 Aug 2026) - [CVE-2026-55370: Logto TOTP authentication bypass via capture-replay](https://junglewise.ai/threats/cve-2026-55370-logto-totp-authentication-bypass-via-capture-replay) (medium, CVSS 6.4, published 10 Jul 2026) - [CVE-2026-54714: Logto reflected XSS in SAML auto-submit form](https://junglewise.ai/threats/cve-2026-54714-logto-reflected-xss-in-saml-auto-submit-form) (medium, CVSS 6.1, published 10 Jul 2026) - [CVE-2026-15611: Logto unverified email-based SSO account linking](https://junglewise.ai/threats/cve-2026-15611-logto-unverified-email-based-sso-account-linking) (info, CVSS 8.1, published 23 Jul 2026) - [CVE-2026-15616: Logto MFA bypass during SSO authentication](https://junglewise.ai/threats/cve-2026-15616-logto-mfa-bypass-during-sso-authentication) (info, CVSS 0, published 23 Jul 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 2 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 1 | 0 | 0 | | 24 Aug 2026 | 2 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 2 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Logto technologies - [Logto](https://junglewise.ai/threats/technologies/logto): 14 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Logto vulnerabilities", https://junglewise.ai/threats/vendors/logto, 9 November 2026.