CVE-2026-70617 Spacebar Server Missing Authorization via Group DM Recipient Endpoint

Spacebar Server before commit dcfd910 contains a missing authorization vulnerability that allows any authenticated attacker to add themselves to arbitrary group DM channels by sending a PUT request to the channels recipient endpoint without membership verification. Attackers can exploit the...

CVE-2026-70617 Spacebar Server Missing Authorization via Group DM Recipient Endpoint

Spacebar Server before commit dcfd910 contains a missing authorization vulnerability that allows any authenticated attacker to add themselves to arbitrary group DM channels by sending a PUT request to the channels recipient endpoint without membership verification. Attackers can exploit the...

CVE-2026-46712

Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certain data points from the Direct Messages formerly Chat feature, regardless of account permissions...

CVE-2026-46712

Misskey (versions 2025.3.2 and later, prior to 2026.5.4) contains a permission-check vulnerability in the Direct Messages feature that lets access certain data points regardless of account permissions, even when federation is disabled. Notes with the new TODO visibility (formerly direct) are unaf...

EUVD-2026-52451

Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certain data points from the Direct Messages formerly Chat feature, regardless of account permissions...

CVE-2026-46712 Misskey: Lack of proper permission checks in Direct Messaging feature

Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certain data points from the Direct Messages formerly Chat feature, regardless of account permissions...

CVE-2026-46712 Misskey: Lack of proper permission checks in Direct Messaging feature

Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certain data points from the Direct Messages formerly Chat feature, regardless of account permissions...

Open WebUI: /api/v1/channels/{id}/members exposes full user model including sensitive credentials

Summary The channel members endpoint serializes and returns full user models for channel participants, including settings objects. A normal user in a DM can retrieve admin-only sensitive configuration such as webhook URLs and tool server key material settings.ui.toolServers.key, which is not...

EUVD-2026-45401

A stored cross-site scripting XSS vulnerability exists in the POST /api/prompts/share endpoint of parisneo/lollms latest version. The endpoint stores attacker-controlled promptcontent into DBDirectMessage.content without server-side sanitization. When a victim opens the direct message DM thread,...

CVE-2026-12228

The CVE describes a stored XSS in parisneo/lollms via POST /api/prompts/share where attacker-controlled prompt_content is saved to DBDirectMessage.content and later rendered with v-html in the DM UI. The frontend regex-based sanitizer fails to fully sanitize HTML, enabling malicious payloads to r...

CVE-2026-12228 Stored XSS in Direct Messages via Prompt Sharing in parisneo/lollms

A stored cross-site scripting XSS vulnerability exists in the POST /api/prompts/share endpoint of parisneo/lollms latest version. The endpoint stores attacker-controlled promptcontent into DBDirectMessage.content without server-side sanitization. When a victim opens the direct message DM thread,...

PYSEC-2026-2732 Open WebUI: Deactivated Channel Members Retain Full Access to Group/DM Channels

Deactivated Channel Members Retain Full Access to Group/DM Channels Affected Component Channel membership authorization check: - backend/openwebui/models/channels.py lines 663-673, isuserchannelmember - Used at 15 locations in backend/openwebui/routers/channels.py Affected Versions Current main...

GHSA-W4V6-G3WM-W36C OpenClaw: QQBot admin commands could skip DM-only and allowFrom policy

Summary QQBot admin commands could skip DM-only and allowFrom policy. In affected versions, a QQBot sender able to trigger the exported command could route admin commands without the QQBot-specific DM-only and allowFrom checks. This advisory is scoped to the named feature and configuration. It do...

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...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-5163

Mattermost versions 11.5.x = 11.5.1 fail to verify channel membership when processing AI-assisted message rewrites which allows an authenticated attacker to read the content of threads in private channels and direct messages they do not have access to via a crafted request to the post rewrite...

PT-2026-48346

Name of the Vulnerable Software and Affected Versions klever-go versions prior to 1.7.18 Description An issue exists in the directMessageHandler function within the network/p2p/libp2p/netMessenger.go file. The software spawns a new goroutine for every incoming direct message before the antiflood...

CVE-2026-34507 OpenClaw < 2026.4.29 - Policy Bypass in QQBot Admin Commands via DM-only and allowFrom Checks

OpenClaw before 2026.4.29 contains a policy bypass vulnerability in QQBot admin commands that allows authenticated senders to skip DM-only and allowFrom policy checks. Attackers can route admin commands from unauthorized senders or contexts to execute restricted behavior that policy should have...

CVE-2026-34507 OpenClaw < 2026.4.29 - Policy Bypass in QQBot Admin Commands via DM-only and allowFrom Checks

OpenClaw before 2026.4.29 contains a policy bypass vulnerability in QQBot admin commands that allows authenticated senders to skip DM-only and allowFrom policy checks. Attackers can route admin commands from unauthorized senders or contexts to execute restricted behavior that policy should have...