CVE-2026-34577 Postiz: Unauthenticated Full-Read SSRF via /public/stream Endpoint with Trivially Bypassable Extension Check

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

CVE-2026-34577 Postiz: Unauthenticated Full-Read SSRF via /public/stream Endpoint with Trivially Bypassable Extension Check

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

UBUNTU-CVE-2026-33691

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

CVE-2026-33691

The CVE-2026-33691 issue affects OWASP CRS prior to versions 3.3.9 and 4.25.0, where whitespace padding in filenames bypasses the file-extension checks for dangerous extensions (.php, .phar, .jsp, .jspx) because the extension regex is not applied after normalizing whitespace. The vulnerability is...

CVE-2026-33691 OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

File Upload(RCE) Vulnerability in admidio

Summary A critical unrestricted file upload vulnerability exists in the Documents & Files module of Admidio. Due to a design flaw in how CSRF token validation and file extension verification interact within UploadHandlerFile.php, an authenticated user with upload permissions can bypass file...

Koken CMS code-related vulnerabilities

Koken CMS is a content management system developed by Todd Dominey. Version 0.22.24 of Koken CMS has code vulnerabilities; these vulnerabilities stem from an extension name limitation in the file upload function, which may allow the upload of malicious PHP files and the execution of system comman...

CVE-2026-24034

Horilla is a free and open source Human Resource Management System HRMS. In versions prior to 1.5.0, a cross-site scripting vulnerability can be triggered because the extension and content-type are not checked during the profile photo update step. Version 1.5.0 fixes the issue...

CVE-2026-22864

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.5.6, a prior patch aimed to block spawning Windows batch/shell files by returning an error when a spawned path’s extension matched .bat or .cmd. That check performs a case-sensitive comparison against lowercase literals and...

CVE-2026-22864

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Before 2.5.6, a prior patch aimed to block spawning Windows batch/shell files by returning an error when a spawned path’s extension matched .bat or .cmd. That check performs a case-sensitive comparison against lowercase literals and...

CVE-2025-68109

ChurchCRM is an open-source church management system. In versions prior to 6.5.3, the Database Restore functionality does not validate the content or file extension of uploaded files. As a result, an attacker can upload a web shell file and subsequently upload a .htaccess file to enable direct...

CVE-2025-41720

A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified...

CVE-2025-41720

A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified...

EUVD-2019-6592

Malware in sbrugna...

PYSEC-2025-102

Local File Inclusion in dagster.grpc.impl.getnotebookdata in Dagster 1.10.14 allows attackers with access to the gRPC server to read arbitrary files by supplying path traversal sequences in the notebookpath field of ExternalNotebookData requests, bypassing the intended extension-based check...

VulnCheck KEV: CVE-2022-46604

An issue in Tecrail Responsive FileManager v9.9.5 and below allows attackers to bypass the file extension check mechanism and upload a crafted PHP file, leading to arbitrary code execution...

CVE-2023-50982

Stud.IP 5.x through 5.3.3 allows XSS with resultant upload of executable files, because uploadaction and editaction in AdminSmileysController do not check the file extension. This leads to remote code execution with the privileges of the www-data user. The fixed versions are 5.3.4, 5.2.6, 5.1.7,...

CVE-2021-22968

A bypass of adding remote files in Concrete CMS previously concrete5 File Manager leads to remote code execution in Concrete CMS concrete5 versions 8.5.6 and below.The external file upload feature stages files in the public directory even if they have disallowed file extensions. They are stored i...

CVE-2019-14924

An issue was discovered in GCDWebServer before 3.5.3. The method moveItem in the GCDWebUploader class checks the FileExtension of newAbsolutePath but not oldAbsolutePath. By leveraging this vulnerability, an adversary can make an inaccessible file be available the credential of the app, for...

CVE-2017-11178

In FineCMS through 2017-07-11, application/core/controller/style.php allows remote attackers to write to arbitrary files via the contents and filename parameters in a route=style action. For example, this can be used to overwrite a .php file because the file extension is not checked...