CVE-2026-42070 MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API

Mantis Bug Tracker MantisBT is an open source issue tracker. Prior to 2.28.2, the mcissueupdate function in MantisBT allows users having updatebugthreshold access UPDATER, with default settings to edit, change view state, and modify time tracking on bugnotes belonging to other users — bypassing t...

CVE-2026-42070

Summary: MantisBT prior to 2.28.2 is vulnerable to Authorization Bypass in bugnote editing via the Issue Update API. The mc_issue_update() function allows users with update_bug_threshold (UPDATER, default) to edit, change view state, and modify time tracking on bugnotes owned by other users, bypa...

EUVD-2026-30760

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to enforce slash command trigger-word uniqueness during command updates which allows an authenticated team member with Manage Own Slash Commands permission to hijack and impersonate existing system or custom slash...

CVE-2026-4286 Playbooks Plugin fails to validate team transfers, allowing unauthorized removal of member access via playbook update

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to check if teamid was being changed when updating playbooks, allowing users with only Manage Playbook Configurations permission to change a playbook's team, bypassing manage members restriction via PUT api. Mattermost Advisory ID:...

CVE-2026-4053

CVE-2026-4053 affects Mattermost 11.5.x (11.5.0–11.5.1) and 10.11.x (10.11.0–10.11.13). The issue is that the system fails to enforce the PostEditTimeLimit on non‑message post fields, allowing an authenticated user to modify post file attachments, props, and pin status after the edit window has e...

CVE-2026-2515

The Hostinger Reach – AI-Powered Email Marketing for WordPress plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'handleajaxaction' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated...

MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API

The mcissueupdate function in MantisBT allows users having updatebugthreshold access UPDATER, with default settings to edit, change view state, and modify time tracking on bugnotes belonging to other users — bypassing the default DEVELOPER level 55 threshold required by the dedicated...

CVE-2026-2457

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID:...

CVE-2026-28806

Improper Authorization vulnerability in nerves-hub nerveshubweb allows cross-organization device control via device bulk actions and device update API. Missing authorization checks in the device bulk actions and device update API endpoints allow authenticated users to target devices belonging to...

GHSA-PH22-FW5M-W2Q9 Mattermost allows attackers to spoof permalink embeds

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint. Mattermost Advisory ID:...

Origin Validation Error

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Origin Validation Error via the post update API endpoint when client-supplied post metadata is not properly sanitized. An attacker can impersonate...

CVE-2026-2457

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID:...

CVE-2026-2457 WebSocket Message Spoofing via Permalink Embed Manipulation

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID:...

CVE-2026-2457

CVE-2026-2457 affects Mattermost versions: 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, and 10.11.x

CVE-2026-2457

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to sanitize client-supplied post metadata which allows an authenticated attacker to spoof permalink embeds impersonating other users via crafted PUT requests to the post update API endpoint.. Mattermost Advisory ID:...

CVE-2026-28806

Improper Authorization vulnerability in nerves-hub nerveshubweb allows cross-organization device control via device bulk actions and device update API. Missing authorization checks in the device bulk actions and device update API endpoints allow authenticated users to target devices belonging to...

CVE-2026-28806

Improper Authorization vulnerability in nerves-hub nerveshubweb allows cross-organization device control via device bulk actions and device update API. Missing authorization checks in the device bulk actions and device update API endpoints allow authenticated users to target devices belonging to...

CVE-2026-29195

Netmaker makes networks with WireGuard. Prior to version 1.5.0, the user update handler PUT /api/users/username lacks validation to prevent an admin-role user from assigning the super-admin role during account updates. While the code correctly blocks an admin from assigning the admin role to...

CVE-2026-27898 Vaultwarden: Unauthorized Access via Partial Update API on Another User’s Cipher

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwardenrs. Prior to version 1.35.4, an authenticated regular user can specify another user’s cipherid and call "PUT /api/ciphers/id/partial" Even though the standard retrieval API correctly denies access...

EUVD-2026-9504

Vaultwarden has Unauthorized Access via Partial Update API on Another User’s Cipher...