Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale

In this article 1. Operational overview of Tycoon2FA 2. Mitigation and protection guidance 3. Microsoft Defender detections Following its emergence in August 2023, Tycoon2FA rapidly became one of the most widespread phishing-as-a-service PhaaS platforms, enabling campaigns responsible for tens of...

Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale

In this article 1. Operational overview of Tycoon2FA 2. Mitigation and protection guidance 3. Microsoft Defender detections Following its emergence in August 2023, Tycoon2FA rapidly became one of the most widespread phishing-as-a-service PhaaS platforms, enabling campaigns responsible for tens of...

EUVD-2025-208269

The server certificate was not verified when an Arc agent connected to a Guardian or CMC. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Arc agent and the Guardian or CMC. This could result in theft of the client token and sensitive...

CVE-2025-40896

The server certificate was not verified when an Arc agent connected to a Guardian or CMC. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Arc agent and the Guardian or CMC. This could result in theft of the client token and sensitive...

CVE-2025-40896

The server certificate was not verified when an Arc agent connected to a Guardian or CMC. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Arc agent and the Guardian or CMC. This could result in theft of the client token and sensitive...

CVE-2025-40896 Lack of TLS certificate validation when connecting Arc to a Guardian or CMC, in Arc before v2.2.0

The server certificate was not verified when an Arc agent connected to a Guardian or CMC. A malicious actor could perform a man-in-the-middle attack and intercept the communication between the Arc agent and the Guardian or CMC. This could result in theft of the client token and sensitive...

CVE-2025-40896

The CVE-2025-40896 entry documents a failure to verify the server certificate when an Arc agent connects to Guardian or CMC, enabling a network-based MITM. This could allow interception of communications, theft of the client token, and exposure of sensitive information (assets, alerts), or impers...

CVE-2026-23231

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

CVE-2026-23231 netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

CVE-2026-2748

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

CVE-2026-2748 S/MIME Certificate Subject Whitespace

SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing...

MINI-X637-728G-2RPP

Bulletin has no description...

MINI-VGGR-Q9V6-PJ89

Bulletin has no description...

MINI-4HP9-7XJ7-88WJ

Bulletin has no description...

CVE-2025-50193

Chamilo is a learning management system. Prior to version 1.11.30, there is an OS command Injection vulnerability in /plugin/vchamilo/views/import.php with the POST tomaindatabase parameter. This issue has been patched in version 1.11.30...

CLEANSTART-2026-AY29369 Redis is an open source, in-memory database that persists on disk

Multiple security vulnerabilities affect the valkey package. Redis is an open source, in-memory database that persists on disk. See references for individual vulnerability details...

CLEANSTART-2026-CQ83284 Redis is an open source, in-memory database that persists on disk

Multiple security vulnerabilities affect the valkey package. Redis is an open source, in-memory database that persists on disk. See references for individual vulnerability details...

CLEANSTART-2026-YP32652 Redis is an open source, in-memory database that persists on disk

Multiple security vulnerabilities affect the valkey package. Redis is an open source, in-memory database that persists on disk. See references for individual vulnerability details...

CLEANSTART-2026-BZ70876 Redis is an open source, in-memory database that persists on disk

Multiple security vulnerabilities affect the valkey package. Redis is an open source, in-memory database that persists on disk. See references for individual vulnerability details...

SUSE CVE-2026-25242

Gogs is an open source self-hosted Git service. Versions 0.13.4 and below expose unauthenticated file upload endpoints by default. When the global RequireSigninView setting is disabled default, any remote user can upload arbitrary files to the server via /releases/attachments and...