CVE-2026-40864

Affected software: JupyterHub (versions 4.1.0–5.4.4). Vulnerability: Cross-origin form POSTs bypass XSRF because XSRF protection treated requests with Sec-Fetch-Mode: no-cors as same-origin, affecting HTTP form endpoints (e.g., /hub/spawn, /hub/accept-share). The JSON API is not affected. Impact ...

CVE-2026-40864

JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. In versions 4.1.0 through 5.4.4, XSRF protection updated in 4.1.0 inappropriately treated requests with Sec-Fetch-Mode: no-cors as same-origin requests, bypassing XSRF checks. The JSON API is not affecte...

CVE-2026-40864 JupyterHub: Cross-origin form POSTs bypass XSRF

JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. In versions 4.1.0 through 5.4.4, XSRF protection updated in 4.1.0 inappropriately treated requests with Sec-Fetch-Mode: no-cors as same-origin requests, bypassing XSRF checks. The JSON API is not affecte...

CVE-2026-40864 JupyterHub: Cross-origin form POSTs bypass XSRF

JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. In versions 4.1.0 through 5.4.4, XSRF protection updated in 4.1.0 inappropriately treated requests with Sec-Fetch-Mode: no-cors as same-origin requests, bypassing XSRF checks. The JSON API is not affecte...

CVE-2026-8340 Concrete CMS 9.5.0 and below is vulnerable to CSRF via Backend\File::approveVersion

Concrete CMS 9.5.0 and below is vulnerable to CSRF via Backend\File::approveVersion. Victim with editfilecontents permission is CSRF'd into publishing an attacker-chosen previously-uploaded version downgrade to an older version of a file, or activation of a co-editor's unpublished version. The...

EUVD-2026-31441

Concrete CMS 9.5.0 and below is vulnerable to CSRF via Backend\File::approveVersion. Victim with editfilecontents permission is CSRF'd into publishing an attacker-chosen previously-uploaded version downgrade to an older version of a file, or activation of a co-editor's unpublished version. The...

CVE-2026-7615

The Widget Context plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.3. This is due to missing or incorrect nonce validation on the savewidgetcontextsettings function. This makes it possible for unauthenticated attackers to modify widget...

CVE-2026-7615 Widget Context <= 1.3.3 - Cross-Site Request Forgery to Settings Update via 'wl' Parameter

The Widget Context plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.3. This is due to missing or incorrect nonce validation on the savewidgetcontextsettings function. This makes it possible for unauthenticated attackers to modify widget...

CVE-2026-7615 Widget Context <= 1.3.3 - Cross-Site Request Forgery to Settings Update via 'wl' Parameter

The Widget Context plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.3. This is due to missing or incorrect nonce validation on the savewidgetcontextsettings function. This makes it possible for unauthenticated attackers to modify widget...

CVE-2026-4070 Alfie <= 1.2.1 - Cross-Site Request Forgery to Feed Deletion via 'delete' Parameter

The Alfie – Feed Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.2.1. This is due to missing nonce validation on the alfiemanage function which handles feed deletion via the 'delete' GET parameter. This makes it possible for...

CVE-2026-4070

The CVE-2026-4070 entry concerns the Alfie – Feed Plugin for WordPress (versions up to 1.2.1). It is a Cross-Site Request Forgery (CSRF) vulnerability caused by missing nonce validation in the alfie_manage() function, which handles feed deletion via the GET parameter ‘delete’. This allows an unau...

EUVD-2026-31368

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/backend/file removeFavoriteFolder$id. 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...

EUVD-2026-31366

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/backend/file rescanMultiple. 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...

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 approveVersion function in the backend file controller. An attacker can perform unauthorized actions on behalf of an authenticated user by...

GHSA-6FXM-R8P3-MX5C Concrete CMS is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file rescan()

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/backend/file rescan...

GHSA-V7C7-658V-HH7V Concrete CMS is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/logs/bulk/delete

Concrete CMS 9 through 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/dialog/logs/bulk/delete...

EUVD-2026-31363

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...

EUVD-2026-31372

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/backend/file addFavoriteFolder$id. 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...

EUVD-2026-31370

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/dialog/event/duplicate. 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. Thanks Yonatan...

EUVD-2026-31378

Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery CSRF at concrete/controllers/dialog/logs/delete. The 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. Thanks Yonatan...