All Huntress Blog Posts

All Huntress Blog Posts

All things cybersecurity engaging and accessible - so you can stay ahead of hackers and boost your cybersecurity savviness.

Author: John Hammond
Rapid Response: php2shell, Leaked Critical PHP Vulnerabilities (CVE-2026-109618 & CVE-2026-109619)
Rapid Response: php2shell, Leaked Critical PHP Vulnerabilities (CVE-2026-109618 & CVE-2026-109619)

Two critical PHP RCEs, CVE-2026-109618 and CVE-2026-109619, leaked before the patch. Learn what's known, who's exposed, and how to prepare now.

October 20, 2026
Rapid Response: Critical N-able N-central Vulnerability and Active Exploitation
Rapid Response: Critical N-able N-central Vulnerability and Active Exploitation

UPDATED: Critical vulnerability in N-able N-central gives attackers unauthenticated, "god-mode" access to the RMM console.

September 6, 2026
Rogue ScreenConnect Installations Across Unrelated Hosts Suggest Worm-Like Activity
Rogue ScreenConnect Installations Across Unrelated Hosts Suggest Worm-Like Activity

Huntress is tracking a pattern across multiple customer environments where rogue ScreenConnect clients repeatedly spawn the Windows Script Host to execute a series of four VBScript files.

PaperCut Actively Exploited: A Pre-Auth RCE Chain
PaperCut Actively Exploited: A Pre-Auth RCE Chain

UPDATED: PaperCut NG and PaperCut MF are under active exploitation. Huntress reproduced a pre-auth RCE chain and shares urgent patching, exposure, and detection guidance.

Codex Red: Untangling a Linux Incident With an OpenAI Twist (Part 2)
Codex Red: Untangling a Linux Incident With an OpenAI Twist (Part 2)

A developer used OpenAI’s Codex to handle suspicious Linux activity, leading to unexpected outcomes found by Huntress SOC analysts during an investigation.

Codex Red: Untangling a Linux Incident With an OpenAI Twist (Part 1)
Codex Red: Untangling a Linux Incident With an OpenAI Twist (Part 1)

A Linux user's attempt to use OpenAI's Codex to troubleshoot and respond to malicious activity on their system complicated a subsequent DFIR investigation by the Huntress SOC because the AI-generated commands were flagged as suspicious, making it difficult to distinguish legitimate user actions from the two active threat actors.

Supply Chain Compromise of axios npm Package
Supply Chain Compromise of axios npm Package

An NPM supply chain attack struck the ubiquitous open-source axios library and Huntress has observed over a hundred affected devices.

March 31, 2026
Someone Else’s SIEM: A Threat Actor Abuses Another Free Trial
Someone Else’s SIEM: A Threat Actor Abuses Another Free Trial

A threat actor exploited SolarWinds Web Help Desk, then ran victim triage from a free Elastic Cloud SIEM trial. The infrastructure they left behind told us everything.

Active Exploitation of SolarWinds Web Help Desk
Active Exploitation of SolarWinds Web Help Desk

Huntress observed active exploitation of SolarWinds Web Help Desk across three customers — with attackers deploying Cloudflare tunnels and Velociraptor for persistence immediately after getting in.

Deobfuscating Files for Flags: Huntress CTF 2025 Retro
Deobfuscating Files for Flags: Huntress CTF 2025 Retro

AutoIT, Base64, compiled executables, and a cryptocurrency stealer buried inside obfuscated code. This Huntress CTF 2025 retrospective walks through the challenges that made participants earn their flags.

Exploitation of Windows Server Update Services Remote Code Execution Vulnerability (CVE-2025-59287)
Exploitation of Windows Server Update Services Remote Code Execution Vulnerability (CVE-2025-59287)

Huntress observed threat actors exploiting a Microsoft WSUS remote code execution vulnerability across four customers within days of disclosure. Here's the timeline, the TTPs, and why you need to patch now.

Active Exploitation of Gladinet CentreStack and Triofox Local File Inclusion Flaw (CVE-2025-11371)
Active Exploitation of Gladinet CentreStack and Triofox Local File Inclusion Flaw (CVE-2025-11371)

A local file inclusion flaw in Gladinet CentreStack and Triofox was actively exploited before a patch existed. Huntress documented the vulnerability, the exploitation activity, and what to do now.

From a Fake AnyDesk Installer to MetaStealer
From a Fake AnyDesk Installer to MetaStealer

Learn how a fake AnyDesk installer led to a unique MetaStealer attack, highlighting how threat actors evolve ClickFix techniques beyond the classic playbook to steal credentials and files.

Wing FTP Server Remote Code Execution (CVE-2025-47812) Exploited in the Wild
Wing FTP Server Remote Code Execution (CVE-2025-47812) Exploited in the Wild

Huntress observed active exploitation of Wing FTP Server CVE-2025-47812 — a null byte and Lua injection flaw leading to root-level remote code execution. If you're running it, update now.

CVE-2025-30406 - Critical Gladinet CentreStack & Triofox Vulnerability Exploited In The Wild
CVE-2025-30406 - Critical Gladinet CentreStack & Triofox Vulnerability Exploited In The Wild

Huntress SOC received a zero-day exploitation alert on April 11, 2025 — and it pointed straight at a critical CentreStack and Triofox vulnerability. Here's the full investigation and what to do now.

April 14, 2025