CVE-2026-54395

MISP contains a reflected cross-site scripting vulnerability in the UiBeta event index view. The urlparams value is inserted into an inline JavaScript handler using HTML escaping inside a single-quoted JavaScript string. Because browsers HTML-decode attribute values before JavaScript parsing, a...

CVE-2026-54398 MISP object edit authorization bypass allows unauthorized sharing group assignment

An authorization flaw in MISP’s object add/edit handling allowed an authenticated user with object editing permissions to assign a MISP object, or attributes contained within an object, to a sharing group that the user was not authorized to use or view. When editing objects, the sharing group...

CVE-2026-54396 MISP AuthKey edit endpoint allows authenticated user email enumeration

An information disclosure vulnerability exists in the MISP AuthKey edit functionality. When a validation error occurs during an AuthKey edit request, the user dropdown was populated using the attacker-controlled AuthKey.userid value from the submitted request data. An authenticated user with...

CVE-2026-54396 MISP AuthKey edit endpoint allows authenticated user email enumeration

An information disclosure vulnerability exists in the MISP AuthKey edit functionality. When a validation error occurs during an AuthKey edit request, the user dropdown was populated using the attacker-controlled AuthKey.userid value from the submitted request data. An authenticated user with...

CVE-2026-54396

CVE-2026-54396 describes an information disclosure in the MISP AuthKey edit functionality. When a validation error occurs, the user dropdown was populated from the attacker-controlled AuthKey.user_id in the submitted request, enabling an authenticated user with edit permission to enumerate user e...

CVE-2026-54395 MISP UiBeta event index reflected XSS in advanced filter popup

MISP contains a reflected cross-site scripting vulnerability in the UiBeta event index view. The urlparams value is inserted into an inline JavaScript handler using HTML escaping inside a single-quoted JavaScript string. Because browsers HTML-decode attribute values before JavaScript parsing, a...

EUVD-2026-36564

MISP contains a reflected cross-site scripting vulnerability in the UiBeta event index view. The urlparams value is inserted into an inline JavaScript handler using HTML escaping inside a single-quoted JavaScript string. Because browsers HTML-decode attribute values before JavaScript parsing, a...

CVE-2026-54394 MISP organisation logo path traversal allows retrieval of arbitrary PNG/SVG files

MISP contains a path traversal vulnerability in OrganisationsController::getOrgLogo. The vulnerable code builds organisation logo file paths using organisation-controlled fields such as id, name, and uuid without ensuring that the resolved file remains inside the intended APP/files/img/orgs/...

CVE-2026-54394 MISP organisation logo path traversal allows retrieval of arbitrary PNG/SVG files

MISP contains a path traversal vulnerability in OrganisationsController::getOrgLogo. The vulnerable code builds organisation logo file paths using organisation-controlled fields such as id, name, and uuid without ensuring that the resolved file remains inside the intended APP/files/img/orgs/...

CVE-2026-54394 MISP organisation logo path traversal allows retrieval of arbitrary PNG/SVG files

MISP contains a path traversal vulnerability in OrganisationsController::getOrgLogo. The vulnerable code builds organisation logo file paths using organisation-controlled fields such as id, name, and uuid without ensuring that the resolved file remains inside the intended APP/files/img/orgs/...

CVE-2026-54393 MISP Overmind theme stored XSS via unvalidated homepage setting

A stored cross-site scripting vulnerability exists in MISP when the Overmind theme is used. The setHomePage endpoint previously saved the user-controlled path value through setSettingInternal, bypassing the normal setSetting validation logic, including validatehomepage, which requires homepage...

EUVD-2026-36581

A stored cross-site scripting vulnerability exists in MISP when the Overmind theme is used. The setHomePage endpoint previously saved the user-controlled path value through setSettingInternal, bypassing the normal setSetting validation logic, including validatehomepage, which requires homepage...

CVE-2026-54362

The CVE concerns MISP's event template builder where an incorrect visibility condition allowed authenticated non-site-admin users to see galaxies outside their organisation. The root cause is a PHP comparison expression used instead of a query condition, causing enabled galaxies, including organi...

CVE-2026-54362 MISP template builder exposes non-visible custom galaxies across organisations

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-2026-54362 MISP template builder exposes non-visible custom galaxies across organisations

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...

EUVD-2026-36580

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-2026-54362 MISP template builder exposes non-visible custom galaxies across organisations

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-2026-54361 MISP mass assignment vulnerabilities allow unauthorized modification of ownership and delegation records

MISP contained multiple mass assignment vulnerabilities in the handling of collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should have remained server-controlled, including record identifiers and ownership-relat...

CVE-2026-54360 MISP sharing group creation mass assignment allows unauthorized takeover of existing sharing groups

A mass assignment vulnerability exists in MISP’s sharing group creation endpoint. When creating a new sharing group, the controller did not remove a user-supplied id field before saving the submitted data. In CakePHP, supplying a primary key in the save data can cause a create followed by save...

CVE-2026-54359 MISP automation endpoints may be exposed to CSRF when Sec-Fetch-Site protection is disabled by default

MISP contains an insecure default configuration in which the Security.checksecfetchsiteheader control is disabled. When this setting is disabled, state-changing requests such as POST, PUT, or AJAX requests are not restricted based on the browser-provided Sec-Fetch-Site header. A remote...