PT-2026-89655

Concrete CMS below 9.5.3 stores user validation hashes for multiple purposes email/registration validation, password reset, and persistent login in a single table with a type column, but the redemption path resolves a hash by value alone and does not verify its type. As a result, a hash issued fo...

PT-2026-89456

Flextype CMS through 1.0.0-alpha.3 accepts API authentication credentials through URL query string parameters in REST API routes. Attackers with access to web server, proxy, or monitoring logs can recover valid API token pairs that grant full API access...

PT-2026-89540

Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit dialog concrete/controllers/dialog/event/edit.php. The dialog checked permissions against the calendar identifier supplied in the request rather than the calendar owning the targeted eve...

PT-2026-89656

Concrete CMS OAuth callback login path prior to version 9.5.3 did not check whether an account was active or email-validated before establishing a session. A deactivated or unvalidated user with an existing OAuth binding could complete authentication and receive a session that was fully...

PT-2026-89565

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/custom slot.php saveTemplate action. The action created a board slot proxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance...

CVE-2026-68527: Authorization Bypass Through User-Controlled Key

Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit dialog concrete/controllers/dialog/event/edit.php. The dialog checked permissions against the calendar identifier supplied in the request rather than the calendar owning the targeted eve...

CVE-2026-79987: Use of Externally-Controlled Input to Select Classes or Code

A remote, authenticated, non-admin Craft CMS Control Panel user with only the accessCp permission can execute operating system commands as the PHP web worker...

PT-2026-89685

Alt Text Endpoint Authorization Bypass via Payload Local API overrideAccess Omission Summary @jhb.software/payload-alt-text-plugin v0.7.0 exposes custom Payload CMS endpoints POST /api/alt-text-plugin/generate and /bulk that call the Payload Local API findByID and update without setting...

PT-2026-89736

Name of the Vulnerable Software and Affected Versions @jhb.software/payload-alt-text-plugin version 0.7.0 Description An authorization bypass exists in the @jhb.software/payload-alt-text-plugin plugin for Payload CMS. The plugin exposes the endpoints POST /api/alt-text-plugin/generate and POST...

CVE-2026-88897: Use of GET Request Method With Sensitive Query Strings

Flextype CMS through 1.0.0-alpha.3 accepts API authentication credentials through URL query string parameters in REST API routes. Attackers with access to web server, proxy, or monitoring logs can recover valid API token pairs that grant full API access...

PT-2026-89482

Anchor CMS through 0.12.7 fails to enforce role-based access control in admin user-management endpoints, allowing any authenticated low-privilege user to create administrator accounts or modify existing ones. Attackers with editor or user roles can POST directly to admin/users/add or...

CVE-2026-88959: Missing Authorization

Anchor CMS through 0.12.7 fails to enforce role-based access control in admin user-management endpoints, allowing any authenticated low-privilege user to create administrator accounts or modify existing ones. Attackers with editor or user roles can POST directly to admin/users/add or...

PT-2026-89486

Name of the Vulnerable Software and Affected Versions Craft CMS affected versions not specified Description A remote, authenticated user with the accessCp permission can execute operating system commands with the privileges of the PHP web worker via the Control Panel. Recommendations At the momen...

CVE-2026-84432: Cross-Site Request Forgery (CSRF)

Concrete CMS 9 through 9.5.2 did not validate an anti-CSRF token in the Boards custom slot dialog controller concrete/controllers/dialog/board/customslot.php saveTemplate action. The action created a boardslotproxy Block and dispatched an AddCustomSlotToBoardCommand against a board instance while...

Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : GnuPG vulnerability (USN-8720-1)

The remote Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8720-1 advisory. It was discovered that GnuPG incorrectly validated authentication tag lengths when parsing CMS messages encrypted with AES-GC...

CVE-2026-87927

MaxSite CMS through 109.6 contains a local file inclusion vulnerability in the ajax and require-maxsite dispatchers that allows unauthenticated attackers to execute privileged handler files by supplying base64-encoded path traversal sequences. Attackers can bypass path validation checks and execu...

CVE-2026-87929

MaxSite CMS through 109.6 ships with a hardcoded session encryption key in application/config/config.php that is never changed during installation, allowing unauthenticated attackers to forge administrator session cookies. Attackers can mint a malicious cisession cookie with administrator...

CVE-2026-87930

MaxSite CMS through 109.6 passes the cisession cookie to unserialize without class restrictions, allowing unauthenticated attackers to inject PHP objects. Attackers can forge valid session cookies using the hardcoded encryption key to trigger magic methods and corrupt application state or achieve...

CVE-2026-87928

MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the adminpage upload handler that allows any logged-in user to upload HTML files. Attackers can upload HTML containing malicious scripts to the uploads/pages/ directory, which executes in visitors' browsers wh...

EUVD-2026-75111

MaxSite CMS through 109.6 ships with a hardcoded session encryption key in application/config/config.php that is never changed during installation, allowing unauthenticated attackers to forge administrator session cookies. Attackers can mint a malicious cisession cookie with administrator...