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...

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...

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...

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-2026-87928

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...

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-2026-87930 MaxSite CMS through 109.6 PHP Object Injection via ci_session

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...

EUVD-2026-75112

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-2026-87929 MaxSite CMS through 109.6 Authentication Bypass via Hardcoded Encryption Key

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 PHP Object Injection via ci_session

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-2026-87930

MaxSite CMS through version 109.6 is affected by a PHP Object Injection vulnerability in the ci_session cookie handling. The Session library passes the cookie value to unserialize() without class restrictions, and a hardcoded encryption key allows unauthenticated attackers to forge valid session ...

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...

CVE-2026-87929 MaxSite CMS through 109.6 Authentication Bypass via Hardcoded Encryption Key

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-2026-87929

MaxSite CMS through version 109.6 contains a hardcoded session encryption key in application/config/config.php that is never rotated during installation. Because the key is publicly known, an unauthenticated attacker can compute an HMAC-SHA1 signature to mint a malicious ci_session cookie with ad...