Horizon3.ai
Top product launches at Black Hat USA 2026
Black Hat USA 2026 is underway in Las Vegas, and vendors are using the moment to unveil what they hope will define the next year of defense. Here are the announcements drawing …
Horizon3.ai hits $2 billion valuation in $250 million funding round
Horizon3.ai has announced a $250 million Series E at a valuation of more than $2 billion, tripling its valuation from $650 million at Series D in just over a year. The …
Horizon3.ai expands NodeZero with automated web application attack path testing
Horizon3.ai has expanded its NodeZero platform with AI-powered web application pentesting. The platform can now autonomously test web applications and identify attack paths …
SimpleHelp vulnerability exploited to deliver mighty Djinn Stealer (CVE-2026-48558)
Attackers are exploiting CVE-2026-48558, a recently patched authentication bypass vulnerability in SimpleHelp RMM, to drop the novel Djinn Stealer malware on victim computers. …
SimpleHelp RMM flaw could give attackers full access to managed endpoints (CVE-2026-48558)
A critical vulnerability (CVE-2026-48558) in SimpleHelp, a popular remote monitoring and management (RMM) tool, can be exploited remotely by unauthenticated attackers to …
LiteLLM vulnerability under active attack, CISA warns (CVE-2026-42271)
A command injection vulnerability (CVE-2026-42271) in BerryAI’s LiteLLM open-source AI gateway is being exploited by attackers, the US Cybersecurity and Infrastructure …
Horizon3.ai introduces Rapid Response to prioritize and verify vulnerability remediation
Horizon3.ai has introduced Rapid Response, a capability that helps organizations assess exposure to newly disclosed threats, prioritize remediation, and verify that …
Claude helps researcher dig up decade-old Apache ActiveMQ RCE vulnerability (CVE-2026-34197)
In the latest demonstration of how AI assistants can help with bug hunting, Horizon3.ai researcher Naveen Sunkavally used Claude to unearth CVE-2026-34197, a remote code …
SolarWinds fixes critical Web Help Desk RCE vulnerabilities, upgrade ASAP!
SolarWinds has fixed six critical and high-severity vulnerabilities in its popular Web Help Desk (WHD) support ticketing and asset management solution, and is urging customers …
PoC exploit for critical FortiSIEM vulnerability released (CVE-2025-64155)
A critical vulnerability (CVE-2025-64155) in Fortinet’s FortiSIEM security platform has now been accompanied by publicly released proof-of-concept (PoC) exploit code, raising …
Check for CitrixBleed 2 exploitation even if you patched quickly! (CVE-2025-5777)
With PoC exploits for CVE-2025-5777 (aka CitrixBleed 2) now public and reports of active exploitation of the flaw since mid-June, you should check whether your Citrix …
RCE flaw in tool for building AI agents exploited by attackers (CVE-2025-3248)
A missing authentication vulnerability (CVE-2025-3248) in Langflow, a web application for building AI-driven agents, is being exploited by attackers in the wild, CISA has …