ThreatExchange

Projects in this Repository This repository originally started as code to support Meta's ThreatExchange API, but over time has grown to include a number of projects to support signal exchange and content moderation in general. Below are a list of sub-projects. PDQ Image Hashing and Similarity...

GuardReasoner-VL

GuardReasoner-VL: Safeguarding VLMs via Reinforced Reasoning Yue Liu, Shengfang Zhai, Mingzhe Du Yulin Chen, Tri Cao, Hongcheng Gao, Cheng Wang Xinfeng Li, Kun Wang, Junfeng Fang, Jiaheng Zhang, Bryan Hooi 1National University of Singapore, 2Nanyang Technological University To enhance the safety ...

ssh-chatter

SSH-Chatter: TUI Bulletin Board System in C ssh [email protected] General BBS Software SSH-Chatter has started from a C reimplementation of the Go ssh-chat server. It mirrors/extends the original behaviour while using modern C patterns and a small, testable core. The server listens for...

CVE-2026-81161

Privilege Defined With Unsafe Actions vulnerability in Drupal Content Moderation Notifications allows Privilege Escalation. This issue affects Content Moderation Notifications versions: from 0.0.0 to 3.9.0...

EUVD-2026-70004

Privilege Defined With Unsafe Actions vulnerability in Drupal Content Moderation Notifications allows Privilege Escalation. This issue affects Content Moderation Notifications versions: from 0.0.0 to 3.9.0...

CVE-2026-81161

Content Moderation Notifications for Drupal (versions 0.0.0 through 3.9.0) contains a privilege escalation vulnerability caused by a permission to configure email templates containing Twig code that was not marked as restricted . A site administrator may inadvertently grant this permission to les...

CVE-2026-19251

The Ultimate Member WordPress plugin before 2.13.0 does not check whether a comment has been approved, or whether the profile it belongs to is private, before returning profile activity to unauthenticated visitors, allowing them to read the content of comments still awaiting moderation...

EUVD-2026-69864

The Ultimate Member WordPress plugin before 2.13.0 does not check whether a comment has been approved, or whether the profile it belongs to is private, before returning profile activity to unauthenticated visitors, allowing them to read the content of comments still awaiting moderation...

Content Moderation Notifications - Moderately critical - Access bypass - SA-CONTRIB-2026-107

The module provides a permission that allows users to configure email templates containing Twig code. This permission was not marked as restricted. A site administrator might inadvertently grant this permission to less-trusted users. This would allow those users to execute Twig within email...

CVE-2026-79672

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

CVE-2026-79672 Ech0 before 4.4.3 Authentication Bypass via Comment Panel

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

EUVD-2026-65442

Ech0 before 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints, allowing access tokens with minimal scopes to perform full comment moderation operations. Attackers with a limited-scope access token can list, approve, reject, delete comments, and modify comment...

CVE-2026-79672

Ech0 before version 4.4.3 fails to enforce scope-based authorization on nine comment panel admin endpoints. Attackers holding a limited-scope access token can bypass intended restrictions to perform full comment moderation operations, including listing, approving, rejecting, and deleting comments...

CVE-2026-54742 Lemmy: `CollectionAdd::Featured` does not check the post is in the community

Lemmy is a link aggregator and forum for the fediverse. From 0.19.18 until 0.19.19 and 1.0.0-alpha.20, a community moderator can feature or unfeature posts in other communities through federated CollectionAdd and CollectionRemove activities using CollectionType::Featured. After verifymodaction...

CVE-2026-49222

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.4, Vvveb backend product question operations allow a low-privileged Vendor to manage questions under another Vendor's products. The admin/sql/sqlite/productquestion.sql queries...

CVE-2026-45120 MyBB: Insufficient authorization for private calendar events

MyBB is free and open source forum software. Prior to 1.8.40, the calendar module does not verify private event status consistently, allowing users with viewing and moderation permissions to access and moderate private events. The private-event check used by getevents in inc/functionscalendar.php...

EUVD-2026-61017

MyBB is free and open source forum software. Prior to 1.8.40, the calendar module does not verify private event status consistently, allowing users with viewing and moderation permissions to access and moderate private events. The private-event check used by getevents in inc/functionscalendar.php...

CVE-2026-45120

MyBB (free and open source forum software) versions prior to 1.8.40 contain an authorization flaw in the calendar module . The private-event check implemented in get_events() within inc/functions_calendar.php and the event action is missing from the remaining calendar.php actions. This allows use...

EUVD-2026-61010

MyBB is free and open source forum software. Prior to 1.8.40, the calendar module does not validate moderation permissions for the destination calendar when moving events. A user with moderation permission for the source calendar can move an event to a calendar where the user has only viewing...

CVE-2026-45122 MyBB: Insufficient permission check for calendar event move

MyBB is free and open source forum software. Prior to 1.8.40, the calendar module does not validate moderation permissions for the destination calendar when moving events. A user with moderation permission for the source calendar can move an event to a calendar where the user has only viewing...