CVE-2026-55420 Discourse: Remote code execution via pdf uploads

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, under certain non-default configurations, processing of PDF uploads could be exploited to obtain RCE on the server. This issue is patched in 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5...

CVE-2026-55420

Discourse (open-source platform) prior to versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, in some non-default configurations, allowed processing of PDF uploads to lead to remote code execution on the server. The root cause is tied to how PDFs are processed under specific configurations, enab...

CVE-2026-55420

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, under certain non-default configurations, processing of PDF uploads could be exploited to obtain RCE on the server. This issue is patched in 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5...

CVE-2026-12406

The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.3.7. This is due to the plugin not properly verifying that a user is authorized to perform an...

CVE-2026-11571

The Everest Forms WordPress plugin before 3.5.0 does not reliably delete temporary CSV files generated during email-notification processing and leaves them publicly accessible in the uploads directory, allowing unauthenticated attackers to retrieve other users' form submission records via...

EUVD-2026-42508

The Everest Forms WordPress plugin before 3.5.0 does not reliably delete temporary CSV files generated during email-notification processing and leaves them publicly accessible in the uploads directory, allowing unauthenticated attackers to retrieve other users' form submission records via...

CVE-2026-11571 Everest Forms < 3.5.0 - Unauthenticated Sensitive Information Exposure via Residual CSV Artifacts

The Everest Forms WordPress plugin before 3.5.0 does not reliably delete temporary CSV files generated during email-notification processing and leaves them publicly accessible in the uploads directory, allowing unauthenticated attackers to retrieve other users' form submission records via...

CVE-2026-11571

The CVE concerns the Everest Forms WordPress plugin prior to version 3.5.0. It does not reliably delete temporary CSV files created during email-notification processing, leaving them publicly accessible in the uploads directory. This enables unauthenticated attackers to retrieve other users’ form...

PT-2026-56999

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5 Description Insufficient SVG sanitization during the handling of uploads and user avatars can...

The vulnerability of the browse.ajaxAddPicture method in the PageBuilder CK extension of the Joomla content management system allows a malicious actor to gain unauthorized access to protected information, upload arbitrary files, and execute arbitrary code.

The vulnerability of the browse.ajaxAddPicture method in the PageBuilder CK extension of the Joomla content management system is related to the unlimited loading of dangerous files due to improper access control. Exploiting this vulnerability could allow an attacker to gain unauthorized access to...

PT-2026-56996

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5 Description Regular users can route direct S3 multipart uploads through the ExternalUploadManag...

PT-2026-56995

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5 Description Secure uploads may be exposed through the pull hotlinked images function when the...

PT-2026-56893

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 2026.6.0 Discourse versions prior to 2026.5.1 Discourse versions prior to 2026.4.2 Discourse versions prior to 2026.1.5 Description Under certain non-default configurations, the processing of PDF uploads can be...

Directory Traversal

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to Directory Traversal via path traversal in the skill archive extraction logic in SkillPromptInjectionHandler and SkillsSandboxExecutor. An authenticated user with access to...

CVE-2026-55778 Parse Server: Stored XSS via non-standard file extension bypassing file upload extension blocklist

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.11 and 8.6.81, the default fileUpload.fileExtensions blocklist could be bypassed by uploading a file with a non-standard or compound extension and dangerous content type,...

CVE-2026-8801

Technical details about CVE-2026-8801 are not publicly available in the provided documents. Monitor for further updates from vendors and standard CVE sources.

CVE-2026-59807

Composio SDK before 0.2.32-beta.283 contains a path validation bypass vulnerability that allows attackers to read and exfiltrate sensitive files by exploiting a missing assertSafeFileUploadPath check in the readFileFromDisk function within tool-file-uploads.ts. Attackers can exploit prompt...

CVE-2026-59807

CVE-2026-59807 affects Composio SDK prior to 0.2.32-beta.283. A path validation bypass in readFileFromDisk (tool-file-uploads.ts) can enable an attacker to read and exfiltrate sensitive files by manipulating file_uploadable parameters via prompt injection, referencing sensitive paths such as SSH ...

CVE-2026-56298 Capgo - EXIF Metadata Exposure in App Information Image Upload

Capgo before 12.128.2 fails to strip EXIF metadata from images uploaded via the app information endpoint, exposing sensitive geolocation data. Attackers can upload images containing EXIF metadata to extract geographic location information and other embedded metadata from uploaded files...

CVE-2026-56298

Capgo CVE-2026-56298 affects Capgo prior to 12.128.2, where the app information image upload endpoint does not strip EXIF metadata, exposing geolocation and embedded metadata. Root cause: failure to strip EXIF during upload. Impact: potential leakage of geographic location data. Remediation: upgr...