PT-2026-90002

Concrete CMS 9 through 9.5.2 is vulnerable to Missing Authorization in the block alias route Process::alias in concrete/controllers/backend/block/process.php.It does not verify that the referenced block is genuinely orphaned on the target page, nor that the caller holds any permission over the...

PT-2026-90497

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.3 Description An authorization flaw exists during Express entry submissions where the system validates the authorization check against the entity of the posted form instead of the entity identified by the...

PT-2026-90150

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 through 9.5.2 Description An open redirect exists where an attacker can craft a link on the site's own domain to send users to an arbitrary external site immediately after authentication or during the registration...

PT-2026-90498

Concrete CMS below 9.5.3 does not apply HTML output escaping to the file description and tags fields when rendering the Document Library block, so a user with permission to edit file properties could store a script payload that executed in the browser of any visitor to a page displaying the block...

CVE-2026-81917: Improper Neutralization of Input During Web Page Generation

Concrete CMS below 9.5.3 does not apply HTML output escaping to the file description and tags fields when rendering the Document Library block, so a user with permission to edit file properties could store a script payload that executed in the browser of any visitor to a page displaying the block...

PT-2026-90499

Concrete CMS below 9.5.3 is vulnerable to Stored XSS via the Date Format field in the Page Attribute Display block. A user with edit page contents permissions could store a payload which executes in the browser of any visitor who viewed a page where the block was configured to display a date-type...

PT-2026-90048

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection SSTI in Theme Customizer via Unvalidated Style Values. Values submitted through the customizer color channels and other style properties handled by ColorStyle and sibling Style classes such as FontFamilyStyle and...

PT-2026-90050

GetSimple CMS is a content management system CMS, and GetSimple CMS CE is the community edition of that CMS. A logic flaw in GetSimple CMS v3.4.0a and below and GetSimpleCMS-CE v3.3.22 and below allows unauthenticated attackers to create a new administrator account. The application features an...

PT-2026-90149

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.3 Description Cross-Site Request Forgery CSRF exists in the Move Multiple Groups feature. The endpoint 'dashboard/users/groups/bulkupdate/confirm' allows moving selected group tree nodes without validating an...

CVE-2026-81912: Cross-Site Request Forgery (CSRF)

Concrete CMS before 9.5.3 is vulnerable to Cross-Site Request Forgery in the Move Multiple Groups feature. The dashboard/users/groups/bulkupdate/confirm endpoint moved the selected group tree nodes without validating an action token, so a state-changing group move could be processed for an...

PT-2026-90494

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.2.0 through 9.5.2 Description The Area API's 'block-create' endpoint fails to invoke the validate method of the block type controller for submitted data. For blocks that reference files, such as hero image and gallery,...

PT-2026-90496

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.3 Description Cross-Site Request Forgery CSRF occurs in the Express Clear Entries function. The issue exists because the controller records a failed CSRF token check but does not enforce it, allowing...

CVE-2026-81907: Cross-Site Request Forgery (CSRF)

Concrete CMS 9.5.2 and below is vulnerable to Cross-Site Request Forgery CSRF in the Express "Clear Entries" function POST /index.php/dashboard/system/express/entities/deleteentries because the controller records but does not enforce a failed CSRF token check, allowing the destructive operation t...

SUSE SLED15: libopenssl-3-devel / libopenssl-3-fips-provider / etc (SUSE-SU-2026:3835-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3835-1 advisory. OpenSSL is updated to 3.5.0 in SLE-15-SP7: jscPED-16072 Enables Post-Quantum Cryptography PQC TLS support...

PT-2026-89679

Flextype CMS versions 0.9.9 through 1.0.0-alpha.3 fail to HTML-escape plugin directory names in the dependency error page rendered by getValidPluginsDependencies. Attackers with write access to the plugins directory can create a plugin with HTML characters in its name to execute arbitrary scripts...

PT-2026-89810

a-blog cms Ver. 3.2.33 and earlier contains a path traversal vulnerability, which allows an unauthenticated attacker to read or delete arbitrary files on the affected product...

CVE-2026-89145: Improper Neutralization of Input During Web Page Generation

Flextype CMS versions 0.9.9 through 1.0.0-alpha.3 fail to HTML-escape plugin directory names in the dependency error page rendered by getValidPluginsDependencies. Attackers with write access to the plugins directory can create a plugin with HTML characters in its name to execute arbitrary scripts...

PT-2026-90001

Concrete CMS 9.2.0 to 9.5.2 contain a missing authorization vulnerability in the REST API Groups list endpoint. The listGroups method in concrete/src/Api/Controller/Groups.php registers a permissions checker callback that unconditionally returns true, so no per-object tree node authorization is...

CVE-2026-81910: Improper Neutralization of Special Elements Used in a Template Engine

Concrete CMS 9 through 9.5.2 is vulnerable to Server-Side Template Injection SSTI in Theme Customizer via Unvalidated Style Values. Values submitted through the customizer color channels and other style properties handled by ColorStyle and sibling Style classes such as FontFamilyStyle and...

CVE-2026-81915: Missing Authorization

Concrete CMS below 9.5.3 does not perform an object-level authorization check when a Page Type was updated. The Types::submit dashboard controller loaded and saved the Page Type identified by a user-supplied ptID without calling canEditPageType, so a signed-in dashboard user permitted to edit one...