Docker: Race condition in docker cp allows creation of arbitrary empty files on the host via symlink swap

Summary A race condition during docker cp mount setup allows a malicious container to create empty files or directories at arbitrary absolute paths on the host filesystem. This advisory covers the race during mountpoint creation. The related race during the subsequent mount syscall is tracked in...

GHSA-JXX9-PX88-PJ69 n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

Summary When ENABLEMULTITENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that omitted those headers — or supplied only one of them — silently fell back to the process-level N8NAPIURL / N8NAPIKEY credentials...

EUVD-2026-29439

multiparty vulnerable to ReDoS via filename parsing...

EUVD-2026-29441

multiparty vulnerable to Denial of Service via Uncaught Exception in filename parameter parsing...

GHSA-XH3C-6GCQ-G4RV multiparty vulnerable to Denial of Service via Uncaught Exception in filename* parameter parsing

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition: filename=utf-8'' header containing a malformed percent-encoding e.g., %FF, %GG, the parser invokes decodeURI on the value...

multiparty: Denial of Service via Prototype Pollution leads to Uncaught Exception

Impact [email protected] and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a field name that collides with an inherited Object.prototype property e.g., proto, constructor, toString, the parser invokes .push on the inherited...

NPM: parse-nested-form-data has Prototype Pollution via `__proto__` in FormData field names

NPM: parse-nested-form-data has Prototype Pollution via proto in FormData field names vulnerability discovered by ? in WordPress Npm parse-nested-form-data versions = 1.0.0...

NPM: webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

NPM: webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins vulnerability discovered by ? in WordPress Npm webpack-dev-server versions = 5.2.3...

NPM: n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

NPM: n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters vulnerability discovered by ? in WordPress Npm n8n-mcp versions 2.51.3...

CLEANSTART-2026-AN27706 Security fixes for CVE-2026-22815, CVE-2026-30922, CVE-2026-31958, CVE-2026-32597, CVE-2026-33175, CVE-2026-34052, CVE-2026-34073, CVE-2026-34513, CVE-2026-34514, CVE-2026-34515, CVE-2026-34516, CVE-2026-34517, CVE-2026-34518, CVE-2026-34519, CVE-2026-34520, CVE-2026-34525, CVE-2026-44431, CVE-2026-44432, ghsa-752w-5fwx-jx9f, ghsa-78cv-mqj4-43f7, ghsa-gc5v-m9x4-r6x2, ghsa-jr27-m4p2-rc6r, ghsa-m959-cc7f-wv43, ghsa-qjxf-f2mg-c6mc applied in versions: 4.3.2-r0, 4.3.2-r1, 4.3.2-r2, 4.3.2-r3

Multiple security vulnerabilities affect the jupyterhub-k8s-hub package. These issues are resolved in later releases. See references for individual vulnerability details...

CVE-2026-8803

A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login of the file app/Models/Employee.php of the component Employee Login. This manipulation causes use of weak hash. Remote exploitation of the attack is possible. The attack is considered to...

CVE-2026-8803 opensourcepos Open Source Point of Sale Employee Login Employee.php login weak hash

A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login of the file app/Models/Employee.php of the component Employee Login. This manipulation causes use of weak hash. Remote exploitation of the attack is possible. The attack is considered to...

CVE-2026-8803

A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login of the file app/Models/Employee.php of the component Employee Login. This manipulation causes use of weak hash. Remote exploitation of the attack is possible. The attack is considered to...

EUVD-2026-30768

A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login of the file app/Models/Employee.php of the component Employee Login. This manipulation causes use of weak hash. Remote exploitation of the attack is possible. The attack is considered to...

CVE-2026-8803 opensourcepos Open Source Point of Sale Employee Login Employee.php login weak hash

A flaw has been found in opensourcepos Open Source Point of Sale up to 3.4.2. Impacted is the function Login of the file app/Models/Employee.php of the component Employee Login. This manipulation causes use of weak hash. Remote exploitation of the attack is possible. The attack is considered to...

CVE-2026-8802

A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This issue affects the function getPicThumb of the file app/Controllers/Items.php. The manipulation of the argument picfilename results in path traversal. The attack may be launched remotely. The patch is...

CVE-2026-8802

A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This issue affects the function getPicThumb of the file app/Controllers/Items.php. The manipulation of the argument picfilename results in path traversal. The attack may be launched remotely. The patch is...

CVE-2026-8802

Open Source POS (opensourcepos) up to version 3.4.2 contains a path traversal vulnerability in getPicThumb (app/Controllers/Items.php) caused by unsafely handling the pic_filename argument. Exploitation could be remote; a patch identified as def0c27a0e252668df8d942fc31e16d1edfd7323 is available a...

CVE-2026-8802 opensourcepos Open Source Point of Sale Items.php getPicThumb path traversal

A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This issue affects the function getPicThumb of the file app/Controllers/Items.php. The manipulation of the argument picfilename results in path traversal. The attack may be launched remotely. The patch is...

CVE-2026-3471 Opening a window with {{javascript:alert()}} as URL causes crash in the Mattermost Desktop App

Mattermost Desktop App versions =6.1 6.0.1 5.4.13.0 fail to prevent an invalid URL from loading in a pop-up window in the Mattermost Desktop App which allows a malicious server owner to repeated crash the application via calling window.open'javascript:alert';. Mattermost Advisory ID: MMSA-2026-00...