CVE-2026-8435 Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file approveVersion()

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/backend/file approveVersion. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N...

CVE-2026-7882

Summary: Concrete CMS 9.5.0 and earlier is vulnerable to unauthorized file deletion due to an inverted CSRF token check in the DeleteFile controller. The code treats a valid token as an error and proceeds with deletion when the token is invalid or missing, effectively disabling CSRF protection fo...

CVE-2026-7882

Concrete CMS 9.5.0 and below is vulnerable to unauthorized file deletion due to an Inverted CSRF token check in the DeleteFile controller. The code throws an error when the token IS valid and proceeds with file deletion when the token is invalid or missing. This effectively disables CSRF protecti...

CVE-2026-7882 Concrete CMS 9.5.0 and below is vulnerable to CSRF via the DeleteFile controller

Concrete CMS 9.5.0 and below is vulnerable to unauthorized file deletion due to an Inverted CSRF token check in the DeleteFile controller. The code throws an error when the token IS valid and proceeds with file deletion when the token is invalid or missing. This effectively disables CSRF protecti...

CVE-2026-8428

Concrete CMS 9.5.0 and below emits a CSRF token in the localavailableupdate.php view $token-output'doupdate' but the corresponding doupdate method in concrete/controllers/singlepage/dashboard/system/update/update.php never calls $this-token-validate'doupdate'. The form is rendered as a POST form,...

CVE-2026-8417

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/doupdate/. The doupdate method in concrete/controllers/singlepage/dashboard/extend/update.php checks only canInstallPackages before executing upgradeCoreData and upgrade on the named...

GHSA-XQ32-9G7Q-7297 FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

Summary A Server-Side Request Forgery SSRF vulnerability in getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata services e.g., AWS 169.254.169.254. This is a blind SSRF with confirmed internal port scanning...

FlaskBB: SSRF in get_image_info() via unrestricted avatar URL

Summary A Server-Side Request Forgery SSRF vulnerability in getimageinfo allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata services e.g., AWS 169.254.169.254. This is a blind SSRF with confirmed internal port scanning...

Server-side Request Forgery (SSRF)

Overview FlaskBB is an A classic Forum Software in Python using Flask. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the getimageinfo function. An attacker can access internal network resources and sensitive cloud metadata by supplying a crafted URL as t...

Server-side Request Forgery (SSRF)

Overview nocodb is a NocoDB Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the sendMessage methods in the Discord, Mattermost, Slack, and Teams webhook adapters. An attacker can make the server send requests to attacker-controlled URLs by supplying a...

NPM: NocoDB: SSRF Protection Bypass in Notification Webhook Plugins (Slack, Discord, Mattermost, Teams)

NPM: NocoDB: SSRF Protection Bypass in Notification Webhook Plugins Slack, Discord, Mattermost, Teams vulnerability discovered by ? in WordPress Npm nocodb versions = 0.301.3...

NocoDB: SSRF Protection Bypass in Notification Webhook Plugins (Slack, Discord, Mattermost, Teams)

Summary The request-filtering-agent SSRF protection was non-functional in the four notification webhook plugins Slack, Discord, Mattermost, Teams because httpAgent / httpsAgent were passed as part of the request body rather than the axios config. An authenticated user with hook-creation permissio...

CVE-2026-8421 Concrete CMS 9.5.0 and below is vulnerable to CSRF on install_package() with conditional token bypass leading to RCE

Concrete CMS 9.5.0 and below contains a CSRF vulnerability in the installpackage method of concrete/controllers/singlepage/dashboard/extend/install.php. An attacker who can cause an authenticated administrator to visit a crafted page, and who has placed or caused a package to be present under...

CVE-2026-8421 Concrete CMS 9.5.0 and below is vulnerable to CSRF on install_package() with conditional token bypass leading to RCE

Concrete CMS 9.5.0 and below contains a CSRF vulnerability in the installpackage method of concrete/controllers/singlepage/dashboard/extend/install.php. An attacker who can cause an authenticated administrator to visit a crafted page, and who has placed or caused a package to be present under...

CVE-2026-8421

Concrete CMS 9.5.0 and earlier versions include a CSRF vulnerability in the install_package() handler (concrete/controllers/single_page/dashboard/extend/install.php). An attacker who can induce an authenticated administrator to visit a crafted page and has placed or caused a package under DIR_PAC...

CVE-2026-8428 CSRF token is not validated in the core CMS update controller for Concrete CMS 9.5.0 and below

Concrete CMS 9.5.0 and below emits a CSRF token in the localavailableupdate.php view $token-output'doupdate' but the corresponding doupdate method in concrete/controllers/singlepage/dashboard/system/update/update.php never calls $this-token-validate'doupdate'. The form is rendered as a POST form,...

CVE-2026-8428 CSRF token is not validated in the core CMS update controller for Concrete CMS 9.5.0 and below

Concrete CMS 9.5.0 and below emits a CSRF token in the localavailableupdate.php view $token-output'doupdate' but the corresponding doupdate method in concrete/controllers/singlepage/dashboard/system/update/update.php never calls $this-token-validate'doupdate'. The form is rendered as a POST form,...

CVE-2026-8426 Concrete CMS 9.5.0 and below is vulnerable to CSRF on prepare_remote_upgrade() leading to one-request RCE via package overwrite

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/prepareremoteupgrade/. An attacker who controls the remote package returned for a known marketplace item ID can overwrite the package PHP on disk and force its upgrade method to...

CVE-2026-8426

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/prepareremoteupgrade/. An attacker who controls the remote package returned for a known marketplace item ID can overwrite the package PHP on disk and force its upgrade method to...

CVE-2026-8426 Concrete CMS 9.5.0 and below is vulnerable to CSRF on prepare_remote_upgrade() leading to one-request RCE via package overwrite

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/update/prepareremoteupgrade/. An attacker who controls the remote package returned for a known marketplace item ID can overwrite the package PHP on disk and force its upgrade method to...