CVE-2026-53635

Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 59bb6d6, the view function setcoursemodeprice at lms/djangoapps/instructor/views/instructordashboard.py:430 is decorated only with @loginrequired and performs no course-level permission check. An...

CVE-2026-55421

Open edX Platform is vulnerable to SSRF with response exfiltration in the Studio Video Download Endpoint. Prior to commit 00b7c3c, the endpoint accepts a user-supplied files[].url and performs a server-side fetch via requests.get(url, allow_redirects=True), returning the fetched bytes inside a ZI...

CVE-2026-55421 Open edX Platform: SSRF in Studio Video Download Endpoint

Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 00b7c3c, the endpoint accepts user-supplied files.url, performs a server-side fetch using "requests.geturl, allowredirects=True". The fetched bytes are then returned inside a ZIP response. This...

CVE-2026-53635

Open edX Platform is affected by an insufficient permission check in the set_course_mode_price() view at lms/djangoapps/instructor/views/instructor_dashboard.py:430. The endpoint is protected only by @login_required and performs no course-level authorization, meaning any authenticated user —inclu...

CVE-2026-53635 Open edX Platform: Insufficient Permission on set_course_mode_price()

Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 59bb6d6, the view function setcoursemodeprice at lms/djangoapps/instructor/views/instructordashboard.py:430 is decorated only with @loginrequired and performs no course-level permission check. An...

CVE-2026-42857

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove...

CVE-2026-42857

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

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-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

CVE-2026-42857

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove...

CVE-2026-42857 Open edX Platform: Stored CSS Injection in Email Notifications via Incomplete HTML Sanitization

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer cleanthreadhtmlbody used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

CVE-2026-42857

Open edX Platform is affected by CVE-2026-42857 due to the HTML sanitizer in clean_thread_html_body() not removing tags from user-generated discussion content in email notifications. This allows enrolled students to inject arbitrary CSS into emails rendered with Django’s |safe template filter, e...

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...

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...

PT-2026-39712

Open edX Platform enables the authoring and delivery of online learning at any scale. The HTML sanitizer clean thread html body used for discussion notification emails fails to remove tags from user-generated discussion post content. This content is rendered with Django's |safe template filter in...

CVE-2026-35404

Open edX Platform enables the authoring and delivery of online learning at any scale. The viewsurvey endpoint accepts a redirecturl GET parameter that is passed directly to HttpResponseRedirect without any URL validation. When a non-existent survey name is provided, the server issues an immediate...

CVE-2026-35404 Open edX Platform has an Open Redirect in Survey Views via Unvalidated redirect_url Parameter

Open edX Platform enables the authoring and delivery of online learning at any scale. The viewsurvey endpoint accepts a redirecturl GET parameter that is passed directly to HttpResponseRedirect without any URL validation. When a non-existent survey name is provided, the server issues an immediate...

CVE-2026-35404 Open edX Platform has an Open Redirect in Survey Views via Unvalidated redirect_url Parameter

Open edX Platform enables the authoring and delivery of online learning at any scale. The viewsurvey endpoint accepts a redirecturl GET parameter that is passed directly to HttpResponseRedirect without any URL validation. When a non-existent survey name is provided, the server issues an immediate...

EUVD-2026-19502

Open edX Platform enables the authoring and delivery of online learning at any scale. he viewsurvey endpoint accepts a redirecturl GET parameter that is passed directly to HttpResponseRedirect without any URL validation. When a non-existent survey name is provided, the server issues an immediate...