CVE-2026-18121 Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) in the Calendar block's frontend event dialog (/ccm/calendar/view_event/{bID}/{occurrence_id}).

Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass IDOR because the frontend calendar lightbox endpoint /ccm/calendar/viewevent/bID/occurrenceid does not verify that the caller is permitted to view the calendar that owns the requested event occurrence. The controller loads the...

CVE-2026-18121 Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) in the Calendar block's frontend event dialog (/ccm/calendar/view_event/{bID}/{occurrence_id}).

Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass IDOR because the frontend calendar lightbox endpoint /ccm/calendar/viewevent/bID/occurrenceid does not verify that the caller is permitted to view the calendar that owns the requested event occurrence. The controller loads the...

GHSA-HH8M-FM6V-7CVG Angular: Sanitization bypass via directive host bindings on concrete host elements in @angular/core and @angular/compiler

Angular automatically sanitizes untrusted values bound to security-sensitive DOM sinks such as href, src, action, xlink:href, and data to protect against Cross-Site Scripting XSS. Prior to the fix, the Angular compiler determined the SecurityContext for directive host bindings host: 'attr.href':...

CVE-2026-84432

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...

EUVD-2026-75706

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...

CVE-2026-84432

Concrete CMS versions 9 through 9.5.2 are affected by a CSRF vulnerability in the Boards custom slot dialog controller (custom_slot.php), specifically the saveTemplate() action. The action did not validate an anti-CSRF token, gating only on the canEditBoardContents() permission. A crafted cross-s...

CVE-2026-84432 Concrete CMS 9 through 9.5.2 is vulnerable to CSRFin the Boards custom slot dialog controller

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...

CVE-2026-68527

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-2026-68527 Concrete CMS 8.3.0 through 9.5.2 is vulnerable to an authorization bypass through user-controlled key (cross-calendar IDOR) in the Calendar event edit dialog

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-2026-68527

Concrete CMS 8.3.0 through 9.5.2 contains an authorization bypass (cross-calendar IDOR) in the Calendar event edit dialog (concrete/controllers/dialog/event/edit.php). The dialog validated permissions against the calendar identifier supplied in the request rather than the calendar actually owning...

EUVD-2026-75673

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...

EUVD-2026-74282

Concrete CMS below 9.5.3 registered view assets for every sub-block of a Stack, Container, or layout area without checking whether the requesting user could view that sub-block. An unauthenticated visitor could recover configuration values emitted by a restricted sub-block's asset registration —...

CVE-2026-81904

Concrete CMS below 9.5.3 registered view assets for every sub-block of a Stack, Container, or layout area without checking whether the requesting user could view that sub-block. An unauthenticated visitor could recover configuration values emitted by a restricted sub-block's asset registration —...

CVE-2026-81904 Concrete CMS before 9.5.3 is vulnerable to Missing Authorization in Stack/Container Sub-Block Asset Registration

Concrete CMS below 9.5.3 registered view assets for every sub-block of a Stack, Container, or layout area without checking whether the requesting user could view that sub-block. An unauthenticated visitor could recover configuration values emitted by a restricted sub-block's asset registration —...

CVE-2026-81904 Concrete CMS before 9.5.3 is vulnerable to Missing Authorization in Stack/Container Sub-Block Asset Registration

Concrete CMS below 9.5.3 registered view assets for every sub-block of a Stack, Container, or layout area without checking whether the requesting user could view that sub-block. An unauthenticated visitor could recover configuration values emitted by a restricted sub-block's asset registration —...

CVE-2026-81904

Concrete CMS below 9.5.3 is affected by a missing authorization flaw in the asset registration for sub-blocks within a Stack , Container , or layout area. The system registered view assets for every sub-block without verifying whether the requesting user had permission to view that sub-block, all...

CVE-2026-8347

CVE-2026-8347 – Insecure Direct Object Reference IDOR in Concrete CMS Overview CVE-2026-8347 is an Insecure Direct Object Reference IDOR vulnerability affecting Concrete CMS versions 9.5.0 and earlier. The issue exists in the Express Association Reorder functionality due to insufficient...

CVE-2026-6826

creationtimestamp| type| source ---|---|--- 2026-08-24 06:44:22+00:00| seen| https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/concretecmsfileusagedisclosure.rb 2026-09-08 06:47:30+00:00| seen|...

SUSE CVE-2026-16441

In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method...

CVE-2026-16441

In Eclipse OpenJ9 versions up to 0.60, when executing class files where a previously concrete superclass method has been recompiled as abstract, execution is incorrectly delegated to an interface default method...