CVE-2026-7307

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

CVE-2026-7307 Keycloak: keycloak: denial of service via specially crafted saml input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

CVE-2026-7307 Keycloak: keycloak: denial of service via specially crafted saml input

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

CVE-2026-7307

Keycloak contains a denial-of-service issue (CVE-2026-7307) where a remote, unauthenticated attacker can send a specially crafted XML input to the SAML endpoint. The crafted input triggers high CPU usage and worker-thread starvation, rendering the server unavailable. The description does not prov...

CVE-2026-7307

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

CVE-2026-7307

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language SAML endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service DoS where the server becomes...

Improper Validation of Syntactic Correctness of Input

Overview org.keycloak:keycloak-saml-core is an Identity and Access Management plugin for Keycloak. Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input in the SAMLParser and SAML11ParserUtil code paths that handle SAML 1.1 assertions and protoc...

CVE-2026-42858

Open edX Platform enables the authoring and delivery of online learning at any scale. The syncproviderdata endpoint in SAMLProviderDataViewSet allows authenticated Enterprise Admin users to supply an arbitrary URL via the metadataurl POST parameter. This URL is passed directly to requests.get in...

CVE-2026-42860

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin ro...

PYSEC-2026-58

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin ro...

CVE-2026-42860 Open edx Enterprise Service: SSRF via SAML metadata URL in sync_provider_data endpoint

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin ro...

CVE-2026-42860 Open edx Enterprise Service: SSRF via SAML metadata URL in sync_provider_data endpoint

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin ro...

CVE-2026-42858 Open edX Platform: Server-Side Request Forgery (SSRF) in SAML Provider Data Sync Endpoint

Open edX Platform enables the authoring and delivery of online learning at any scale. The syncproviderdata endpoint in SAMLProviderDataViewSet allows authenticated Enterprise Admin users to supply an arbitrary URL via the metadataurl POST parameter. This URL is passed directly to requests.get in...

CVE-2026-42858

Open edX Platform contains a server-side request forgery (SSRF) in the sync_provider_data endpoint of SAMLProviderDataViewSet. An authenticated Enterprise Admin can supply an arbitrary URL via the metadata_url parameter, which is passed to requests.get() in fetch_metadata_xml() without URL valida...

CVE-2026-42858 Open edX Platform: Server-Side Request Forgery (SSRF) in SAML Provider Data Sync Endpoint

Open edX Platform enables the authoring and delivery of online learning at any scale. The syncproviderdata endpoint in SAMLProviderDataViewSet allows authenticated Enterprise Admin users to supply an arbitrary URL via the metadataurl POST parameter. This URL is passed directly to requests.get in...

PT-2026-39713

Open edX Platform enables the authoring and delivery of online learning at any scale. The sync provider data endpoint in SAMLProviderDataViewSet allows authenticated Enterprise Admin users to supply an arbitrary URL via the metadata url POST parameter. This URL is passed directly to requests.get ...

CVE-2026-41669

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

CVE-2026-41670 Admidio: SAML Response Sent to Unvalidated Assertion Consumer Service URL from AuthnRequest

Admidio is an open-source user management solution. Prior to version 5.0.9, the SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the...

CVE-2026-41669 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

GHSA-64CV-VXPR-J6VC edx-enterprise has SSRF via SAML metadata URL in sync_provider_data endpoint

Summary The syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin role can set this field to an arbitrary URL via the SAMLProviderConfigViewSet PATCH endpoint, then trigger...