{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/vendors/youtransfer/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:youtransfer:youtransfer:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":8.3,"id":"CVE-2026-109519"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["YouTransfer (\u003c= 0.0.7, 1.0.6, 1.1.0)"],"_cs_severities":["high"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":["YouTransfer"],"content_html":"\u003cp\u003eYouTransfer versions up to 0.0.7, 1.0.6, and 1.1.0 are vulnerable to a path traversal flaw located within the Template Rendering component, specifically involving the /settings/template file. This vulnerability is remotely exploitable without authentication, enabling an adversary to manipulate file paths and potentially access sensitive files on the host system. The vulnerability is publicly disclosed, and as the vendor has remained unresponsive to disclosure attempts, no official patches are currently available. Organizations utilizing YouTransfer should restrict access to the application interface or implement compensating controls to mitigate potential unauthorized file system access.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a public-facing instance of the YouTransfer application.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious HTTP request targeting the /settings/template endpoint.\u003c/li\u003e\n\u003cli\u003eThe request includes directory traversal sequences (such as ../) within a parameter expected by the template rendering function.\u003c/li\u003e\n\u003cli\u003eThe application fails to properly sanitize the input before passing it to the file system handler.\u003c/li\u003e\n\u003cli\u003eThe file system handler resolves the traversed path to an unintended location on the host server.\u003c/li\u003e\n\u003cli\u003eThe application retrieves the content of the target file based on the manipulated path.\u003c/li\u003e\n\u003cli\u003eThe application returns the contents of the unauthorized file in the HTTP response body to the attacker.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this path traversal vulnerability allows an unauthenticated remote attacker to read arbitrary files from the underlying server's file system. This can lead to the exposure of sensitive configuration files, source code, credentials, or system information, potentially facilitating further compromise of the environment.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003ePrioritize the identification of all internet-facing instances of YouTransfer within your network environment. Given the lack of a vendor-provided patch, implement the following actions:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfigure web application firewalls (WAF) or ingress filtering to block requests containing directory traversal sequences (e.g., \u0026quot;..\u0026quot;, \u0026quot;%2e%2e/\u0026quot;) targeting the /settings/template path.\u003c/li\u003e\n\u003cli\u003eAudit web server access logs for anomalous GET or POST requests directed at /settings/template that utilize directory traversal patterns.\u003c/li\u003e\n\u003cli\u003eRestrict network access to the YouTransfer administrative or settings interface to authorized internal IP ranges only.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-13T14:37:11Z","date_published":"2026-10-13T14:37:11Z","id":"https://feed.craftedsignal.io/briefs/2026-10-youtransfer-path-traversal/","summary":"YouTransfer versions up to 0.0.7, 1.0.6, and 1.1.0 contain a path traversal vulnerability in the Template Rendering component that allows remote, unauthenticated file access.","title":"Path Traversal Vulnerability in YouTransfer Template Rendering","url":"https://feed.craftedsignal.io/briefs/2026-10-youtransfer-path-traversal/"}],"language":"en","title":"CraftedSignal Threat Feed - YouTransfer","version":"https://jsonfeed.org/version/1.1"}