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...

Meta Failed to Catch Hundreds of AI Child Abuse Ads. Some Included Images of Real Kids

Images of real children—including a member of a European royal family—were used to create some of the 350 ads containing child sexual abuse. Lawmakers say they plan to investigate...

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...

CVE-2026-81161 Content Moderation Notifications - Moderately critical - Access bypass - SA-CONTRIB-2026-107

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

The Content Moderation Notifications module for Drupal (versions 0.0.0 through 3.9.0 ) is vulnerable to privilege escalation because a permission to configure email templates containing Twig code was not marked as restricted. A site administrator might inadvertently grant this permission to less-...

CVE-2026-81161 Content Moderation Notifications - Moderately critical - Access bypass - SA-CONTRIB-2026-107

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: Privilege Defined With Unsafe Actions

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...

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...

vLLM: Processing differential in multi-channel audio downmixing enables hidden-input/moderation bypass for audio models

Issue Description Librosa defaults to using numpy.mean for mono downmixing tomono, while the international standard ITU-R BS.775-4 specifies a weighted downmixing algorithm. This discrepancy results in: - Inconsistency between audio heard by humans e.g., through headphones/regular speakers and...

GHSA-6C4R-FMH3-7RH8 vLLM: Processing differential in multi-channel audio downmixing enables hidden-input/moderation bypass for audio models

Issue Description Librosa defaults to using numpy.mean for mono downmixing tomono, while the international standard ITU-R BS.775-4 specifies a weighted downmixing algorithm. This discrepancy results in: - Inconsistency between audio heard by humans e.g., through headphones/regular speakers and...

FastChat has a Content Moderation Bypass via Arena Side-by-Side Views

A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function addtext of the component Arena Side-by-Side View Handler. The manipulation results in incorrect control flow. The attack can be launched remotely. The exploit is now public and may be used. The root cause was...

PYSEC-2026-2485 FastChat has a Content Moderation Bypass via Arena Side-by-Side Views

A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function addtext of the component Arena Side-by-Side View Handler. The manipulation results in incorrect control flow. The attack can be launched remotely. The exploit is now public and may be used. The root cause was...

DRUPAL-CONTRIB-2026-039

This module configures default editorial workflows for LocalGov Drupal content types. It provides a Drupal content moderation workflow, a content approvals dashboard, content scheduling and content preview. The module doesn't sufficiently restrict access to a view of Service Contacts at which...

PT-2026-46112

Name of the Vulnerable Software and Affected Versions LocalGov Workflows versions 0.0.0 through 1.6.0 Description Missing authorization allows forceful browsing within the module, which configures default editorial workflows for content types, including content moderation, approvals dashboards,...

LocalGov Workflows - Moderately critical - Information disclosure - SA-CONTRIB-2026-039

This module configures default editorial workflows for LocalGov Drupal content types. It provides a Drupal content moderation workflow, a content approvals dashboard, content scheduling and content preview. The module doesn't sufficiently restrict access to a view of Service Contacts at which...

FastChat has a Content Moderation Bypass via Arena Side-by-Side Views

A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function addtext of the component Arena Side-by-Side View Handler. The manipulation results in incorrect control flow. The attack can be launched remotely. The exploit is now public and may be used. The root cause was...

GHSA-F3Q6-69F3-VWCH FastChat has a Content Moderation Bypass via Arena Side-by-Side Views

A vulnerability was detected in lm-sys fastchat up to 0.2.36. Impacted is the function addtext of the component Arena Side-by-Side View Handler. The manipulation results in incorrect control flow. The attack can be launched remotely. The exploit is now public and may be used. The root cause was...

DRUPAL-CONTRIB-2026-006

This Drupal Canvas module is a new visual page builder for Drupal. You can create reusable components that match your design system, drag them onto a page, edit content in place, preview changes across multiple pages, and undo mistakes with ease. The module doesn't sufficiently validate access to...

PT-2026-5242

Name of the Vulnerable Software and Affected Versions Drupal Canvas versions prior to 1.0.4 Description The Drupal Canvas module has an authorization issue that allows forceful browsing of Canvas Pages when they are unpublished. The module does not adequately validate access to Canvas Pages,...