Investigating Storm-2755: “Payroll pirate” attacks targeting Canadian employees

In this article 1. Storm-2755’s attack chain 2. Defending against Storm-2755 and AiTM campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise Microsoft Incident Response – Detection and Response Team DART researchers observed an emerging, financially motivated...

CVE-2026-4925

Improper access control in the users MFA feature in Devolutions Server allows an authenticated user to bypass administrator-enforced restrictions and remove their own multi-factor authentication MFA configuration via a crafted request. This issue affects Server: from 2026.1.6 through 2026.1.11...

CVE-2026-5175

Improper access control in the multi-factor authentication MFA management API in Devolutions Server allows an authenticated attacker to delete their own configured MFA factors and reduce account protection to password-only authentication via crafted HTTP requests. This issue affects Server: from...

CVE-2026-4924

Improper authentication in the two-factor authentication 2FA feature in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multifactor authentication and gain unauthorized access to the victim account via reuse of a partially authenticated session...

PT-2026-29538

Improper authentication in the two-factor authentication 2FA feature in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multifactor authentication and gain unauthorized access to the victim account via reuse of a partially authenticated session...

CVE-2026-33373

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A Cross-Site Request Forgery CSRF vulnerability exists in Zimbra Web Client due to the issuance of authentication tokens without CSRF protection during certain account state transitions. Specifically, tokens generated after...

GHSA-W73W-G5XW-RWHF Parse Server has an MFA single-use token bypass via concurrent authData login requests

Impact An attacker who possesses a valid authentication provider token and a single MFA recovery code or SMS one-time password can create multiple authenticated sessions by sending concurrent login requests via the authData login endpoint. This defeats the single-use guarantee of MFA recovery cod...

CVE-2026-22572

An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.3, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2.2 through 7.2.11, FortiManager 7.6.0 through 7.6.3, FortiManager 7.4.0 through 7.4.7, FortiManager 7.2.2 through 7.2.11 may...

CVE-2026-33627

CVE-2026-33627 affects Parse Server: prior to versions 8.6.61 and 9.6.0-alpha.55, an authenticated user calling GET /users/me receives unsanitized auth data, including MFA TOTP secrets and recovery codes. The endpoint uses master-level authentication for the session query, and the master context ...

CVE-2026-33624

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending...

When tax season becomes cyberattack season: Phishing and malware campaigns using tax-related lures

In this article 1. A wide range of tax-themed campaigns 2. How to protect users and organization against tax-themed campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise During tax season, threat actors reliably take advantage of the urgency and familiarity of...

GHSA-V9XM-FFX2-7H35 ApostropheCMS MFA/TOTP Bypass via Incorrect MongoDB Query in Bearer Token Middleware

MFA/TOTP Bypass via Incorrect MongoDB Query in Bearer Token Middleware Summary The bearer token authentication middleware in @apostrophecms/express/index.js lines 386-389 contains an incorrect MongoDB query that allows incomplete login tokens — where the password was verified but TOTP/MFA...

CVE-2026-4208

The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider...

CVE-2026-31798

JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v4.10.16-lts, JumpServer improperly validates certificates in the Custom SMS API Client. When JumpServer sends MFA/OTP codes via Custom SMS API, an attacker can intercept the request and...

CVE-2026-31875 Parse Server MFA recovery codes not consumed after use

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.7 and 8.6.33, when multi-factor authentication MFA via TOTP is enabled for a user account, Parse Server generates two single-use recovery codes. These codes are intended as...

CVE-2025-69615

Incorrect Access Control via missing 2FA rate-limiting allowing unlimited brute-force retries and full MFA bypass with no user interaction required. Affected Product: Deutsche Telekom AG Telekom Account Management Portal, versions before 2025-10-24, fixed 2025-11-03...

EUVD-2026-10511

An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.3, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2.2 through 7.2.11, FortiAnalyzer Cloud 7.6.0 through 7.6.3, FortiAnalyzer Cloud 7.4.0 through 7.4.7, FortiAnalyzer Cloud 7.2...

EUVD-2026-10512

An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.3, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2.2 through 7.2.11, FortiAnalyzer Cloud 7.6.0 through 7.6.3, FortiAnalyzer Cloud 7.4.0 through 7.4.7, FortiAnalyzer Cloud 7.2...

EUVD-2025-208509

Incorrect Access Control via missing 2FA rate-limiting allowing unlimited brute-force retries and full MFA bypass with no user interaction required. Affected Product: Deutsche Telekom AG Telekom Account Management Portal, versions before 2025-10-24, fixed 2025-11-03...

CVE-2026-22572

An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.3, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2.2 through 7.2.11, FortiManager 7.6.0 through 7.6.3, FortiManager 7.4.0 through 7.4.7, FortiManager 7.2.2 through 7.2.11 may...