CVE-2025-27136

CVE-2025-27136 Exploiting an XML External Entity XXE Vulnerability. Use XML Payload to Grab Sensitive Files PoC test.xml Use curl to upload test.xml from our local machine to the bucket. curl -X PUT http://127.0.0.1:PORT/TB1 -H "Content-Type: application/xml" -d @test.xml Trigger the Exploit & Gr...

CVE-2026-57856 Cockpit CMS Path Traversal via Bucket Name in Bucket File Storage API

Cockpit CMS contains a path traversal vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php sanitizes the bucket name with pregreplace'/^a-zA-Z0-9-\./','', $bucket, which permits '..' and '../' sequences. The sanitized value is...

CVE-2026-57856

Cockpit CMS exposes a path traversal in the Bucket file storage API (/system/buckets/api). The api() function sanitizes the bucket name with a regex that still allows ".." and "../" sequences, which are then interpolated into uploads://buckets/{bucket} and not blocked by Flysystem’s WhitespacePat...

CVE-2026-57856 Cockpit CMS Path Traversal via Bucket Name in Bucket File Storage API

Cockpit CMS contains a path traversal vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php sanitizes the bucket name with pregreplace'/^a-zA-Z0-9-\./','', $bucket, which permits '..' and '../' sequences. The sanitized value is...

CVE-2026-57856 Cockpit CMS Path Traversal via Bucket Name in Bucket File Storage API

Cockpit CMS contains a path traversal vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php sanitizes the bucket name with pregreplace'/^a-zA-Z0-9-\./','', $bucket, which permits '..' and '../' sequences. The sanitized value is...

CVE-2026-57855 Cockpit CMS Missing Authorization in Bucket File Storage API

Cockpit CMS contains a missing authorization vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php executes bucket commands ls, upload, removefiles, rename, createfolder without performing any ACL or role check. Any authenticated...

PT-2026-57915

Cockpit CMS contains a missing authorization vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php executes bucket commands ls, upload, removefiles, rename, createfolder without performing any ACL or role check. Any authenticated...

PT-2026-57916

Cockpit CMS contains a path traversal vulnerability in the Bucket file storage API /system/buckets/api. The api method in modules/System/Controller/Buckets.php sanitizes the bucket name with preg replace'/^a-zA-Z0-9- ./','', $bucket, which permits '..' and '../' sequences. The sanitized value is...

CVE-2023-45279

Yamcs 5.8.6 allows XSS issue 1 of 2. It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from...

CVE-2023-45279

Yamcs 5.8.6 allows XSS issue 1 of 2. It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from...

CVE-2023-45280

Yamcs 5.8.6 allows XSS issue 2 of 2. It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload an HTML file containing arbitrary JavaScript and then navigate to it. Once the user opens the file, the browser will execute the arbitrar...

Design/Logic Flaw

Yamcs 5.8.6 allows XSS issue 1 of 2. It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from...

CVE-2023-45279

Yamcs 5.8.6 allows XSS issue 1 of 2. It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from...