CVE-2026-81908 Missing Authorization in Concrete CMS 9.2.0 to 9.5.2 REST API Groups List Endpoint Allows Authenticated Users to Enumerate All Groups

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-2026-87727

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-2026-87727

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...

EUVD-2026-76020

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-2026-87727

a-blog cms (by appleple inc.) versions 3.2.33 and earlier contain a path traversal vulnerability (CWE-22) that allows a remote unauthenticated attacker to read or delete arbitrary files on the server. The vulnerability is only exploitable when the form setting "Attaching files to emails addressed...

CVE-2026-87727

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...

a-blog cms vulnerable to path traversal

Overview a-blog cms provided by appleple inc. contains the following vulnerability. Path traversal CWE-22 - CVE-2026-87727 You are affected by this vulnerability only when "Attaching files to emails addressed to the administrator" is enabled in the form settings. hibiki moriyama of STNet,...

CVE-2026-89145

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...

CVE-2026-89145 Flextype CMS 0.9.9 through 1.0.0-alpha.3 Stored XSS via Plugin Directory

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...

CVE-2026-89145 Flextype CMS 0.9.9 through 1.0.0-alpha.3 Stored XSS via Plugin Directory

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...

CVE-2026-89145

Flextype CMS versions 0.9.9 through 1.0.0-alpha.3 contain a stored XSS vulnerability caused by missing HTML-escaping of plugin directory names in the dependency error page rendered by getValidPluginsDependencies(). An attacker with write access to the plugins directory can create a plugin whose d...

EUVD-2026-75896

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...

CVE-2026-89145 Flextype CMS 0.9.9 through 1.0.0-alpha.3 Stored XSS via Plugin Directory

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...

EUVD-2026-75887

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...

EUVD-2026-75885

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...

EUVD-2026-75888

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...

CVE-2026-81905

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...

CVE-2026-81906

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...

CVE-2026-18121

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...

PT-2026-90054

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.5.3 Description An issue exists where the system fails to validate an anti-CSRF token a unique token used to prevent Cross-Site Request Forgery, where an attacker tricks a user into performing actions they did...