CVE-2026-54714

mediumCVSS 6.1covered by 1 sourcefirst seen 2026-07-10

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, @logto/core reflected the SAML RelayState, SAMLResponse, and actionUrl into a Logto-origin auto-submit HTML form in packages/core/src/saml-application/SamlApplication/utils.ts without HTML-attribute escaping. A SAML application flow with a crafted RelayState from GET or POST /api/saml/:id/authn could inject script that runs on the Logto tenant origin after the user completes login. This issue is fixed in version 1.41.0.

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Advisory coverage (1)

mediumCVE-2026-54714: Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, @l…nvd · 2026-07-10

External references

NVD record for CVE-2026-54714

CVE.org record

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