CVE-2026-55791: Server-Side Request Forgery (SSRF)

Craft CMS is a content management system CMS. Versions 4.0.0-RC1 and above, prior to 4.18.0 and 5.0.0-RC1, and above, prior to 5.10.0, are vulnerable to Server-Side Request Forgery SSRF and Arbitrary JavaScript Injection through the /actions/app/resource-js endpoint. By exploiting the default...

CVE-2026-50280 Craft CMS: Authorization bypass in `entries/move-to-section` via missing target-section save check

Craft CMS is a content management system CMS. In versions 5.0.0-RC1 and above prior to 5.9.21, the EntriesController::actionMoveToSection endpoint gates the destination section only by viewEntries:$section-uid rather than requiring saveEntries permission the source entry is separately checked via...

CVE-2026-50280

Craft CMS contains an authorization bypass in the entries/move-to-section endpoint (EntriesController::actionMoveToSection). In versions 5.0.0-RC1 through below 5.9.21, destination section gate relies only on viewEntries:$section->uid instead of requiring saveEntries permission; source entry p...

CVE-2026-50280 Craft CMS: Authorization bypass in `entries/move-to-section` via missing target-section save check

Craft CMS is a content management system CMS. In versions 5.0.0-RC1 and above prior to 5.9.21, the EntriesController::actionMoveToSection endpoint gates the destination section only by viewEntries:$section-uid rather than requiring saveEntries permission the source entry is separately checked via...

CVE-2026-50280

Craft CMS is a content management system CMS. In versions 5.0.0-RC1 and above prior to 5.9.21, the EntriesController::actionMoveToSection endpoint gates the destination section only by viewEntries:$section-uid rather than requiring saveEntries permission the source entry is separately checked via...

CVE-2026-50280 Craft CMS: Authorization bypass in `entries/move-to-section` via missing target-section save check

Craft CMS is a content management system CMS. In versions 5.0.0-RC1 and above prior to 5.9.21, the EntriesController::actionMoveToSection endpoint gates the destination section only by viewEntries:$section-uid rather than requiring saveEntries permission the source entry is separately checked via...

CVE-2026-50279

Craft CMS is a content management system CMS. IN versions 5.0.0-RC1 and above prior to 5.9.21, theEntriesController::actionSaveEntry performs entry-edit permission checks before request-controlled author changes are applied to the model, allowing for authorship spoofing. The subsequent author...

CVE-2026-50279 Craft CMS: Authorship spoofing in `entries/save-entry` via pre-check/post-mutation authorization gap

Craft CMS is a content management system CMS. IN versions 5.0.0-RC1 and above prior to 5.9.21, theEntriesController::actionSaveEntry performs entry-edit permission checks before request-controlled author changes are applied to the model, allowing for authorship spoofing. The subsequent author...

CVE-2026-50279 Craft CMS: Authorship spoofing in `entries/save-entry` via pre-check/post-mutation authorization gap

Craft CMS is a content management system CMS. IN versions 5.0.0-RC1 and above prior to 5.9.21, theEntriesController::actionSaveEntry performs entry-edit permission checks before request-controlled author changes are applied to the model, allowing for authorship spoofing. The subsequent author...

CVE-2026-55794

Craft CMS

CVE-2026-55794

Craft CMS is a content management system CMS. In versions 5.9.0 and above prior to 5.10.0, control panel users with the ability to edit entries can execute unsandboxed Twig code via the HTTP Referrer header, potentially leading to authenticated RCE. The issue happens when a user is saving entries...

CVE-2026-55794 Craft CMS: Potential authenticated Remote Code Execution via referrer redirect

Craft CMS is a content management system CMS. In versions 5.9.0 and above prior to 5.10.0, control panel users with the ability to edit entries can execute unsandboxed Twig code via the HTTP Referrer header, potentially leading to authenticated RCE. The issue happens when a user is saving entries...

CVE-2026-55792 Craft CMS: Sensitive File Disclosure / Server-Side File Read

Craft CMS is a content management system CMS. In versions starting from 4.0.0-RC1 and prior to 4.18.0, and 5.0.0-RC1 and above, prior to 5.10.0, the dataUrl Twig function is included in Craft’s Twig sandbox allowlist, allowing any control panel user granted the utility:system-messages permission ...

CVE-2026-55792

Craft CMS is a content management system CMS. In versions starting from 4.0.0-RC1 and prior to 4.18.0, and 5.0.0-RC1 and above, prior to 5.10.0, the dataUrl Twig function is included in Craft’s Twig sandbox allowlist, allowing any control panel user granted the utility:system-messages permission ...

CVE-2026-55792

Craft CMS is vulnerable in versions 4.0.0-RC1 through 4.17.x and 5.0.0-RC1 through 5.9.x due to dataUrl() being in the Twig sandbox allowlist. A control panel user with the utility:system-messages permission can embed a file-reading payload in system emails, causing the server to read targeted fi...

CVE-2026-55792 Craft CMS: Sensitive File Disclosure / Server-Side File Read

Craft CMS is a content management system CMS. In versions starting from 4.0.0-RC1 and prior to 4.18.0, and 5.0.0-RC1 and above, prior to 5.10.0, the dataUrl Twig function is included in Craft’s Twig sandbox allowlist, allowing any control panel user granted the utility:system-messages permission ...

CVE-2026-50284

Craft CMS is a content management system CMS. In versions 5.0.0-RC1 through 5.9.21 and 4.0.0-RC1 through 4.17.14, theAssetsController::actionDeleteFolder only requires the deleteAssets: permission for the target folder. It never enforces deletePeerAssets:, even though Assets::deleteFoldersByIds...

CVE-2026-50283

Craft CMS is a content management system CMS. Versions 5.0.0-RC1 through 5.9.20, and 4.0.0-RC1 through 4.17.13 contain an authorization issue in the AssetsController::actionReplaceFile that can delete a source asset without source delete permission by supplying both assetId and sourceAssetId...

CVE-2026-55791 Craft CMS: Blind SSRF and Arbitrary JavaScript Injection via Host Header Poisoning in actionResourceJs

Craft CMS is a content management system CMS. Versions 4.0.0-RC1 and above, prior to 4.18.0 and 5.0.0-RC1, and above, prior to 5.10.0, are vulnerable to Server-Side Request Forgery SSRF and Arbitrary JavaScript Injection through the /actions/app/resource-js endpoint. By exploiting the default...

CVE-2026-55791 Craft CMS: Blind SSRF and Arbitrary JavaScript Injection via Host Header Poisoning in actionResourceJs

Craft CMS is a content management system CMS. Versions 4.0.0-RC1 and above, prior to 4.18.0 and 5.0.0-RC1, and above, prior to 5.10.0, are vulnerable to Server-Side Request Forgery SSRF and Arbitrary JavaScript Injection through the /actions/app/resource-js endpoint. By exploiting the default...