CVE-2026-88915 MISP Event Template Instantiation Bypasses Sharing Group and Tagging Authorization

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88915 MISP Event Template Instantiation Bypasses Sharing Group and Tagging Authorization

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

EUVD-2026-75409

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88915 MISP Event Template Instantiation Bypasses Sharing Group and Tagging Authorization

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

PT-2026-89408

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharing group id. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-85546

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...

EUVD-2026-70981

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...

CVE-2026-85546

MISP is affected by a cross-site request forgery (CSRF) vulnerability in its sharing group quick-edit functionality. The root cause lies in the __initialiseSGQuickEdit() helper, where the allowMethod(['post']) call was commented out, allowing the addOrg, removeOrg, addServer, and removeServer act...

CVE-2026-85546 MISP Sharing Group Quick-Edit Actions Allow CSRF via State-Changing GET Requests

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...

CVE-2026-85546 MISP Sharing Group Quick-Edit Actions Allow CSRF via State-Changing GET Requests

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...

CVE-2026-85546 MISP Sharing Group Quick-Edit Actions Allow CSRF via State-Changing GET Requests

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...

CVE-2026-85533

An authorization flaw in MISP allowed an authenticated user to submit a sharinggroupid without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of the submitted Sharing Group was performe...

CVE-2026-85533

CVE-2026-85533 is an authorization bypass in MISP (Malware Information Sharing Platform). In attribute attachment/editing and Galaxy Cluster creation/editing workflows, the Sharing Group authorization check was only executed when the distribution field was explicitly set to 4. By omitting or mani...

CVE-2026-85533 MISP Sharing Group Authorization Bypass via Omitted Distribution Parameter

An authorization flaw in MISP allowed an authenticated user to submit a sharinggroupid without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of the submitted Sharing Group was performe...

EUVD-2026-70976

An authorization flaw in MISP allowed an authenticated user to submit a sharinggroupid without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of the submitted Sharing Group was performe...

CVE-2026-85533 MISP Sharing Group Authorization Bypass via Omitted Distribution Parameter

An authorization flaw in MISP allowed an authenticated user to submit a sharinggroupid without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of the submitted Sharing Group was performe...

CVE-2026-85533 MISP Sharing Group Authorization Bypass via Omitted Distribution Parameter

An authorization flaw in MISP allowed an authenticated user to submit a sharinggroupid without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of the submitted Sharing Group was performe...

CVE-2026-85546: Cross-Site Request Forgery (CSRF)

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...

PT-2026-85443

An authorization flaw in MISP allowed an authenticated user to submit a sharing group id without verifying that the user was authorized to use the referenced Sharing Group. In several attribute and Galaxy Cluster creation and editing workflows, validation of the submitted Sharing Group was...

PT-2026-85455

MISP contains a cross-site request forgery CSRF vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the initialiseSGQuickEdit helper, where the HTTP method validation intended to restrict these operations to POST requests w...