CVE-2026-88915

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 ≤2.5.45 is affected by an authorization bypass in the event template instantiation path. When a template uses distribution = 4 , the template's sharing_group_id was passed directly into event creation without verifying that the acting user is permitted to use that sharing group via SharingGr...

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-2026-85239

A vulnerability in MISP's event template handling allowed an authenticated user with permission to create or modify event templates to bypass validation of the template definition field. The EventTemplate::beforeValidate method only performed semantic validation when the supplied definition was...

EUVD-2026-70533

A vulnerability in MISP's event template handling allowed an authenticated user with permission to create or modify event templates to bypass validation of the template definition field. The EventTemplate::beforeValidate method only performed semantic validation when the supplied definition was...

CVE-2026-85239

MISP is vulnerable to a validation bypass in its event template handling. The EventTemplate::beforeValidate() method only applied semantic validation when the definition was already an array; a caller supplying a pre-encoded string (including malformed JSON ) bypassed validateDefinition() and onl...

CVE-2026-85239 MISP Event Template Definition Validation Bypass Allows Persistent Denial of Service

A vulnerability in MISP's event template handling allowed an authenticated user with permission to create or modify event templates to bypass validation of the template definition field. The EventTemplate::beforeValidate method only performed semantic validation when the supplied definition was...

PT-2026-48994

An incorrect visibility condition in the MISP event template builder allowed authenticated non-site-admin users to view galaxies that should not have been visible to their organisation. The custom access-control condition intended to restrict galaxies to those owned by the user’s organisation or...

CVE-2026-10855

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the importing user belonged to the organization that owned the...

CVE-2026-10854

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially...

CVE-2026-10854

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially...

CVE-2026-10855

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the importing user belonged to the organization that owned the...

EUVD-2026-34259

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the importing user belonged to the organization that owned the...

CVE-2026-10855 MISP Event template importer authorization bypass

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the importing user belonged to the organization that owned the...

CVE-2026-10855

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the importing user belonged to the organization that owned the...

CVE-2026-10855

CVE-2026-10855 concerns an authorization flaw in the MISP Event Template Importer overwrite workflow. During overwrite, the system checked for a matching template but did not verify that the importing user belonged to the organization that owned the template. This could allow an authenticated use...

CVE-2026-10855 MISP Event template importer authorization bypass

An authorization flaw existed in the MISP Event Template Importer overwrite workflow. When importing an event template in overwrite mode, the application checked whether a matching template already existed but did not verify that the importing user belonged to the organization that owned the...

EUVD-2026-34257

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially...

CVE-2026-10854

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially...

CVE-2026-10854 Unauthorized exposure of private galaxies in MISP event template creation

A visibility control issue in the event template creation workflow allowed non-site-admin users to access private galaxies belonging to other organisations. The event template builder loaded all enabled galaxies without applying organisation or distribution-based access restrictions, potentially...