Notas de Ciberseguridad

PHP has released emergency updates that fix two critical flaws in the language itself, letting an attacker without an account run code on a web server. The fixes are in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35, and the PHP team says only updating fully protects a server. The flaws, together called PHP2Shell, sit in the PHP runtime, not in any application, so a site is exposed even when its own 🔗 Source: Read more

Cybersecurity researchers have released a proof-of-concept (PoC) exploit for a recently patched critical security flaw impacting Fortinet FortiSIEM that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-106173 (CVSS score: 9.4), is a critical path traversal flaw that could allow an unauthenticated attacker to execute unauthorized code or commands via specially 🔗 Source: Read more

The worst problems don't always come with a warning. Sometimes they arrive through a service everyone trusts, a device someone bought, or a system nobody thought to check. By the time something looks wrong, the damage may already be done. This week had plenty of that. Trusted connections became a problem. Hardware wasn't as safe as it looked. Old bugs found new victims, and some systems were 🔗 Source: Read more

ConnectWise on Saturday said it has disabled seven ConnectWise application identities as it continues its investigation into an incident in which unknown threat actors obtained unauthorized access to the application identities and compromised Microsoft 365 tenants. The disabled identities are listed below - ConnectWise Cloud Backup - 506e08f9-6e9a-4da4-942b-a099a03644ae ConnectWise 🔗 Source: Read more

Cybersecurity researchers have discovered a malicious npm package that's part of a recently disclosed software supply chain attack campaign dubbed MALFEX. The package, named "imgdecode," was uploaded to the package registry on September 30, 2026, by a user named "malfexteste8." It has been downloaded 979 times as of writing and is still available on npm as of writing. The latest version of 🔗 Source: Read more

Cybersecurity researchers have disclosed details of an advanced persistent threat (APT) spear-phishing campaign that has targeted individuals affiliated with Taiwan research organizations to direct victims to an adversary-in-the-middle (AitM) phishing framework designed to harvest their Google account credentials and multi-factor authentication (MFA) codes. The activity is being tracked by 🔗 Source: Read more

Candiru, an Israeli maker of spyware sold to governments, infected devices at the news network Al Jazeera through ordinary online ads, in attacks that needed no click or other action from the user, researchers at the Citizen Lab said Thursday. The hidden attack code ran the moment an ad loaded on the screen, and in some cases the ad loaded out of sight, in the background. The Citizen 🔗 Source: Read more

The U.S. Department of Justice (DoJ) on Tuesday charged 14 people and seized about 187 computers as part of its ongoing efforts to disrupt North Korea's fraudulent remote IT worker (ITW) scheme. The indictment charges a mix of U.S. citizens and Chinese nationals for their roles in an IT worker conspiracy affecting more than 70 U.S. companies, charging them with wire fraud conspiracy, money 🔗 Source: Read more

GitHub has taken the step of expiring unvalidated npm trusted publishing configurations 48 hours after creation after researchers found that it was possible for an attacker to push new versions of a different user's package without having to steal their credentials. "Your configuration becomes validated and exempt from expiry after its first successful publish," the Microsoft-owned subsidiary 🔗 Source: Read more

Some meetings last longer than it took attackers to jump on a newly disclosed security flaw this week. Within hours, they were already testing it. That's not much time to read the warning, let alone do something about it. But speed is only part of the problem. A secure connection didn't always mean a safe destination. People offering to fix a ransomware mess had questions to answer themselves. 🔗 Source: Read more