EUVD-2026-36625

OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted conte...

PT-2026-49076

Name of the Vulnerable Software and Affected Versions libreport affected versions not specified Description A content injection issue exists in the ABRT post-create event handler scripts within libreport. The event script retrieves log entries from the systemd journal for crashed processes and...

CVE-2026-53837 OpenClaw < 2026.5.6 - Missing Channel Type Validation in Mattermost Event Handlers

OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted conte...

CVE-2026-53837

CVE-2026-53837 affects OpenClaw prior to 2026.5.6, where an improper access control vulnerability in Mattermost event handlers fails to validate channel type metadata. Attackers can bypass DM policy decisions by sending crafted Mattermost events that omit channel type information, enabling proces...

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-2026-54397

A vulnerability in MISP’s non-REST event editing path allowed an authenticated user with event edit permissions to manipulate the submitted form data and set an event’s sharinggroupid to a sharing group they were not authorized to use. When distribution was set to sharing group distribution, the...

CVE-2026-54397 MISP event editing allows unauthorized assignment to undisclosed sharing groups

A vulnerability in MISP’s non-REST event editing path allowed an authenticated user with event edit permissions to manipulate the submitted form data and set an event’s sharinggroupid to a sharing group they were not authorized to use. When distribution was set to sharing group distribution, the...

CVE-2026-54397 MISP event editing allows unauthorized assignment to undisclosed sharing groups

A vulnerability in MISP’s non-REST event editing path allowed an authenticated user with event edit permissions to manipulate the submitted form data and set an event’s sharinggroupid to a sharing group they were not authorized to use. When distribution was set to sharing group distribution, the...

EUVD-2026-36577

A vulnerability in MISP’s non-REST event editing path allowed an authenticated user with event edit permissions to manipulate the submitted form data and set an event’s sharinggroupid to a sharing group they were not authorized to use. When distribution was set to sharing group distribution, the...

CVE-2026-54397

MISP CVE-2026-54397 affects the non-REST event editing path. An authenticated user with event edit permissions could tamper with submitted form data to assign an event to a sharing_group_id the user is not authorized to use when distribution is set to sharing group distribution. The non-REST save...

CVE-2026-54397 MISP event editing allows unauthorized assignment to undisclosed sharing groups

A vulnerability in MISP’s non-REST event editing path allowed an authenticated user with event edit permissions to manipulate the submitted form data and set an event’s sharinggroupid to a sharing group they were not authorized to use. When distribution was set to sharing group distribution, the...

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...

CVE-2026-54395

CVE-2026-54395 affects MISP (UiBeta event index view) with a reflected XSS in the advanced filter popup. The urlparams value is inserted into an inline JavaScript handler inside a single-quoted string; browsers HTML-decode attribute values before JS parsing, enabling an attacker to craft a URL th...

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...

CVE-2026-47263

Summary: Discourse platforms affected by CVE-2026-47263 expose a channel via Webhook events due to a missing group_ids parameter in MessageBus.publish for /web_hook_events/, making the channel readable by any authenticated user (or anonymous users when login is disabled). Impact (as stated): Webh...

CVE-2026-47263 Discourse: Prevent webhook payload disclosure on event redelivery

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the MessageBus.publish call for /webhookevents/ in Jobs::RedeliverWebHookEvents did not pass groupids, leaving the channel...

CVE-2026-54361

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...

EUVD-2026-36554

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-2026-54361 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-2026-54361

CVE-2026-54361 affects MISP and stems from mass assignment flaws in collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should be server-controlled (e.g., id, org_id, orgc_id, user_id), enabling an authenticated att...