Piwigo SQL injection vulnerability

Piwigo is a web-based open-source image library software developed by Piwigo contributors. This software includes functions such as image management, image classification, and permission management. Versions of Piwigo prior to 16.3.0 had a SQL injection vulnerability. This vulnerability stemmed...

CVE-2026-25043: Allocation of Resources Without Limits or Throttling

Budibase is an open-source low-code platform. Prior to version 3.23.25, a business logic vulnerability exists in Budibase’s password reset functionality due to the absence of rate limiting, CAPTCHA, or abuse prevention mechanisms on the “Forgot Password” endpoint. An unauthenticated attacker can...

CVE-2026-35544: Incorrect Resource Transfer Between Spheres

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets CSS sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important...

PT-2026-30244

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 Description Discourse, an open-source discussion platform, has an issue where staged user custom fields and usernames are exposed on public invite pages...

Budibase security vulnerabilities

Budibase is an open-source low-code platform developed by Budibase in the UK. It allows for the creation of internal applications, workflows, and management panels within minutes. Versions of Budibase prior to 3.23.25 contained security vulnerabilities. These vulnerabilities stemmed from the lack...

PT-2026-30250

Name of the Vulnerable Software and Affected Versions OAuthenticator versions prior to 17.4.0 Description OAuthenticator is software that allows OAuth2 identity providers to be plugged in and used with JupyterHub. An authentication bypass issue exists that allows an attacker with an unverified...

CVE-2026-34456

Reviactyl is an open-source game server management panel built using Laravel, React, FilamentPHP, Vite, and Go. From version 26.2.0-beta.1 to before version 26.2.0-beta.5, a vulnerability in the OAuth authentication flow allowed automatic linking of social accounts based solely on matching email...

CVE-2026-34736

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34759 OneUptime: Unauthenticated notification API endpoints - financial abuse via phone number purchase, service disruption, and SMTP credential exposure

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, multiple notification API endpoints are registered without authentication middleware, while sibling endpoints in the same codebase correctly use ClusterKeyAuthorization.isAuthorizedServiceMiddleware. Thes...

CVE-2026-34759 OneUptime: Unauthenticated notification API endpoints - financial abuse via phone number purchase, service disruption, and SMTP credential exposure

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, multiple notification API endpoints are registered without authentication middleware, while sibling endpoints in the same codebase correctly use ClusterKeyAuthorization.isAuthorizedServiceMiddleware. Thes...

GO-2026-4912 Fleet's user account creation via invite does not enforce invited email address in github.com/fleetdm/fleet

Fleet's user account creation via invite does not enforce invited email address in github.com/fleetdm/fleet...

CVE-2026-34736 Open edX Platform: Account Activation Bypass via activation_key Exposure in REST API

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34736 Open edX Platform: Account Activation Bypass via activation_key Exposure in REST API

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34736 Open edX Platform: Account Activation Bypass via activation_key Exposure in REST API

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34736

Open edX Platform experiened an account-activation bypass vulnerability (CVE-2026-34736). In affected versions from maple up to just before ulmo, an unauthenticated attacker could bypass email verification by chaining two issues: the OAuth2 password grant issuing tokens to inactive users, and the...

EUVD-2026-18502

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34736

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

CVE-2026-34736

Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users...

The democratisation of business email compromise fraud

Welcome to this week's edition of the Threat Source newsletter. Last weekend, I witnessed a crime. Not a notable crime that you might read about in the press, but an unremarkable fraud attempt that nevertheless illustrates how new threat actor capabilities are emerging. I imagine that most people...

Threat actor abuse of AI accelerates from tool to cyberattack surface

For the last year, one word has represented the conversation living at the intersection of AI and cybersecurity: speed. Speed matters, but it’s not the most important shift we are observing across the threat landscape today. Now, threat actors from nation states to cybercrime groups are embedding...