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Github Security Blog
Github Security Blog
•added 2026/05/21 9:30 p.m.•23 views

Concrete CMS contains a CSRF vulnerability

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...

8.8CVSS5.9AI score0.00262EPSS
SaveExploits0References3Affected Software1
OSV
OSV
•added 2026/05/21 9:30 p.m.•17 views

GHSA-4C8M-6FWX-M7XQ Concrete CMS contains a CSRF vulnerability

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...

7.5CVSS5.9AI score0.00262EPSS
SaveExploits0References3
Snyk
Snyk
•added 2026/05/21 9:30 p.m.•15 views

Cross-site Request Forgery (CSRF)

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the /dashboard/extend/update/prepareremoteupgrade/ process. An attacker can execute arbitrary code as the web server user by tricking an authenticat...

8.8CVSS6.3AI score0.00262EPSS
SaveExploits0References2
Github Security Blog
Github Security Blog
•added 2026/05/21 9:30 p.m.•20 views

Concrete CMS is Vulnerable to Cross-Site Request Forgery

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/install/download/. The download method in concrete/controllers/singlepage/dashboard/extend/install.php checks only the canInstallPackages permission before fetching a remote marketplace...

7.5CVSS5.9AI score0.00161EPSS
SaveExploits0References3Affected Software1
OSV
OSV
•added 2026/05/21 9:30 p.m.•22 views

GHSA-R42C-3RR2-JRFP Concrete CMS is Vulnerable to Cross-Site Request Forgery

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/install/download/. The download method in concrete/controllers/singlepage/dashboard/extend/install.php checks only the canInstallPackages permission before fetching a remote marketplace...

7.5CVSS5.9AI score0.00161EPSS
SaveExploits0References3
Snyk
Snyk
•added 2026/05/21 9:30 p.m.•16 views

Cross-site Request Forgery (CSRF)

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF in the download process. An attacker can trigger unauthorized package downloads by enticing an authenticated administrator with the required permissions...

7.5CVSS5.5AI score0.00161EPSS
SaveExploits0References2
NVD
NVD
•added 2026/05/21 9:16 p.m.•36 views

CVE-2026-8421

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...

8.8CVSS0.00262EPSS
SaveExploits0References1
OSV
OSV
•added 2026/05/21 9:13 p.m.•18 views

MAL-2026-4429 Malicious code in @rui.branco/sentry-mcp (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8504c65903895f53054fc6df861469ddbac73c130793bd784d47eca8ef2cd65b On every load of index.js the package's main and bin entry, the package queries GitHub for the latest commit SHA on HEAD of rui-branco/sentry-mcp and...

5.8AI score
SaveExploits0References1
OSV
OSV
•added 2026/05/21 9:00 p.m.•21 views

MAL-2026-4664 Malicious code in search-connector-template (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 24aea8e5a7338c49dc96e3945ed4d695024c2e169f560e6f3426005ca4666ea4 package.json declares preinstall: node index.js, which fires automatically on npm install. index.js collects host identity hostname, username, homedi...

5.9AI score
SaveExploits0References1
CVE
CVE
•added 2026/05/21 8:25 p.m.•90 views

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...

8.8CVSS6AI score0.00262EPSS
SaveExploits0References1Affected Software1
Cvelist
Cvelist
•added 2026/05/21 8:25 p.m.•71 views

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...

7.5CVSS0.00262EPSS
SaveExploits0References1
Vulnrichment
Vulnrichment
•added 2026/05/21 8:25 p.m.•13 views

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...

7.5CVSS6AI score0.00262EPSS
SaveExploits0References1
attackerkb
attackerkb
•added 2026/05/21 8:25 p.m.•19 views

CVE-2026-8421

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...

7.5CVSS6.3AI score0.00262EPSS
SaveExploits0References2Affected Software1
osv-cve
osv-cve
•added 2026/05/21 8:25 p.m.•17 views

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...

7.5CVSS6.2AI score
SaveExploits0References4
EUVD
EUVD
•added 2026/05/21 8:22 p.m.•24 views

EUVD-2026-31337

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...

7.5CVSS6.4AI score0.00262EPSS
SaveExploits0References1
CVE
CVE
•added 2026/05/21 8:22 p.m.•79 views

CVE-2026-8426

Concrete CMS 9.5.0 and earlier fails to validate a CSRF token for requests to /dashboard/extend/update/prepare_remote_upgrade/. An attacker who controls the remote package returned for a known marketplace item ID can overwrite the package PHP on disk and trigger the upgrade() method in a single b...

8.8CVSS6.4AI score0.00262EPSS
SaveExploits0References1Affected Software1
OSV
OSV
•added 2026/05/21 8:20 p.m.•14 views

CVE-2026-8140 Concrete CMS 9.5.0 and below is vulnerable to CSRF on download() in the package install controller

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/install/download/. The download method in concrete/controllers/singlepage/dashboard/extend/install.php checks only the canInstallPackages permission before fetching a remote marketplace...

7.5CVSS5.9AI score
SaveExploits0References4
attackerkb
attackerkb
•added 2026/05/21 8:20 p.m.•19 views

CVE-2026-8140

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/install/download/. The download method in concrete/controllers/singlepage/dashboard/extend/install.php checks only the canInstallPackages permission before fetching a remote marketplace...

7.5CVSS6AI score0.00161EPSS
SaveExploits0References2Affected Software1
Vulnrichment
Vulnrichment
•added 2026/05/21 8:20 p.m.•16 views

CVE-2026-8140 Concrete CMS 9.5.0 and below is vulnerable to CSRF on download() in the package install controller

Concrete CMS 9.5.0 and below does not validate a CSRF token before processing requests to /dashboard/extend/install/download/. The download method in concrete/controllers/singlepage/dashboard/extend/install.php checks only the canInstallPackages permission before fetching a remote marketplace...

7.5CVSS6AI score0.00161EPSS
SaveExploits0References1
OSSF Malicious Packages
OSSF Malicious Packages
•added 2026/05/21 8:05 p.m.•22 views

Malicious code in @ornexus/neocortex (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bb66a92e1a8c414ee0c8877998a9587b7c8a4be3b9b27b76d874329a87bec5dc On npm install -g @ornexus/neocortex, postinstall.js spawns install.sh or install.ps1 which, by default, runs an installcoderabbit step that fetches...

6.3AI score
SaveExploits0References2
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