PYSEC-2026-2037 Weblate leaks information via screenshots

Impact The screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. Patches https://github.com/WeblateOrg/weblate/pull/17516 References Thanks to Lukas May and Michael Leu...

PYSEC-2026-1841 Pyrofork has a Path Traversal in download_media Method

Summary The downloadmedia method in Pyrofork does not sanitize filenames received from Telegram messages before using them in file path construction. This allows a remote attacker to write files to arbitrary locations on the filesystem by sending a specially crafted document with path traversal...

PYSEC-2026-1712 OctoPrint is Vulnerable to RCE Attacks via Unsanitized Filename in File Upload

Impact OctoPrint versions up until and including 1.11.2 contain a vulnerability that allows an authenticated attacker to upload a file under a specially crafted filename that will allow arbitrary command execution if said filename becomes included in a command defined in a system event handler an...

GO-2026-5903 Algernon vulnerable to server-side script source disclosure on Windows via NTFS filename in github.com/xyproto/algernon

Algernon vulnerable to server-side script source disclosure on Windows via NTFS filename in github.com/xyproto/algernon...

PYSEC-2026-1730 Open WebUI Allows Arbitrary File Write via the `/models/upload` Endpoint

In open-webui version 0.3.8, the endpoint /models/upload is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of filepath = f"UPLOADDIR/file.filename" without proper input validation or sanitization. An attacker can...

Open WebUI Allows Arbitrary File Write via the `/models/upload` Endpoint

In open-webui version 0.3.8, the endpoint /models/upload is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of filepath = f"UPLOADDIR/file.filename" without proper input validation or sanitization. An attacker can...

PYSEC-2026-1395 FastChat Denial of Service vulnerability

A Denial of Service DoS vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large...

PYSEC-2026-1472 Jinja has a sandbox breakout through malicious filenames

A bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used. To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether...

PYSEC-2026-1666 Mobile Security Framework (MobSF) Stored Cross-Site Scripting Vulnerability in "Diff or Compare" Functionality

Summary The application allows users to upload files with scripts in the filename parameter. As a result, a malicious user can upload a script file to the system. When users in the application use the "Diff or Compare" functionality, they are affected by a Stored Cross-Site Scripting vulnerabilit...

PYSEC-2026-1245 check-jsonschema default caching for remote schemas allows for cache confusion

Impact The default cache strategy uses the basename of a remote schema as the name of the file in the cache, e.g. https://example.org/schema.json will be stored as schema.json. This naming allows for conflicts. If an attacker can get a user to run check-jsonschema against a malicious schema URL,...

PYSEC-2026-1721 open-webui allows writing and deleting arbitrary files

In version v0.3.8 of open-webui/open-webui, the endpoint /api/pipelines/upload is vulnerable to arbitrary file write and delete due to unsanitized file.filename concatenation with CACHEDIR. This vulnerability allows attackers to overwrite and delete system files, potentially leading to remote cod...

CVE-2026-53648

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.1, downloadable product files are stored using a deterministic filename-derived path. When an administrator uploads a file for a downloadable product, FOSSBilling stores the file as md5 under the uploads...

PT-2026-56240

Name of the Vulnerable Software and Affected Versions GNU Wget versions prior to 1.25.0 commit c2640fe Description A heap buffer overflow occurs in the convert fname function within src/url.c. This issue is triggered when a server-supplied filename requires character set conversion and the output...

CVE-2026-53648 FOSSBilling: Downloadable product files can be overwritten through filename collisions

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.1, downloadable product files are stored using a deterministic filename-derived path. When an administrator uploads a file for a downloadable product, FOSSBilling stores the file as md5 under the uploads...

CVE-2026-53648 FOSSBilling: Downloadable product files can be overwritten through filename collisions

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.1, downloadable product files are stored using a deterministic filename-derived path. When an administrator uploads a file for a downloadable product, FOSSBilling stores the file as md5 under the uploads...

CVE-2026-53648

FOSSBilling prior to v0.8.1 stores downloadable product files with a deterministic path md5(), so files with identical names between different products/orders map to the same stored path and can be overwritten by later uploads. This leads to customers/admins downloading the wrong file. Version 0....

CVE-2026-57571 Crawl4AI arbitrary file write via download filename path traversal

Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the crawler saves a downloaded file, the destination filename was taken from attacker-influenced input and joined to the downloads directory with no confinement. A filename containing an absolute path or travers...

PYSEC-2026-840 Loggerhead XSS via filename

Cross-site scripting XSS vulnerability in templatefunctions.py in Loggerhead before 1.18.1 allows remote authenticated users to inject arbitrary web script or HTML via a filename, which is not properly handled in a revision view...

CVE-2026-14776 SourceCodester Onlne Examination & Learning Management System Filename Extension upload_files.php pathinfo unrestricted upload

A security flaw has been discovered in SourceCodester Onlne Examination & Learning Management System 1.0. Affected by this vulnerability is the function pathinfo of the file /uploadfiles.php of the component Filename Extension. Performing a manipulation results in unrestricted upload. Remote...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Vim vulnerabilities (USN-8500-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8500-1 advisory. It was discovered that Vim incorrectly handled path traversal in the...