Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. [...]

Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography. [...]

An anonymous security researcher who uses the "Nightmare Eclipse" handle released a CrowdStrike Falcon zero-day exploit named "FalconFlank" that lets attackers escalate privileges on up-to-date Windows systems. [...]

Google has updated the Chrome browser to address an actively exploited high-severity zero-day flaw in the V8 engine and 11 other vulnerabilities. [...]

France's data protection authority (CNIL) has fined Hôpital privé de la Loire €500,000 ($580,000) for failing to adequately protect patients' and their relatives' data. [...]

Attackers compromised Coder's Cloudflare infrastructure and added unauthorized registry servers that delivered malicious Terraform modules containing credential-stealing code. [...]

Hewlett Packard Enterprise (HPE) has patched a critical vulnerability in the ArubaOS-CX network operating system that could lead to remote code execution. [...]

A recently patched critical vulnerability (CVE-2026-32475) in the Elementor Pro plugin for WordPress is being exploited in attacks that deliver a webshell payload and execute arbitrary commands on the server. [...]

Infostealers can expose far more than passwords, including authenticated sessions that may let attackers bypass MFA. Flare explains how defenders can prioritize compromised identities, determine whether stolen access is still usable, and respond before it leads to account takeover. [...]

Plex urged users this week to update their desktop clients and media servers immediately to patch multiple security vulnerabilities. [...]

Attackers are actively exploiting CVE-2026-9586, an unauthenticated SQL injection vulnerability in the Sangoma Switchvox VoIP platform that can lead to remote code execution. [...]

An SQL injection vulnerability in the All-in-One WP Migration and Backup plugin for WordPress could allow unauthenticated attackers to execute remote code and take control of affected websites. [...]

A critical authentication bypass vulnerability (CVE-2026-82329) in JFrog Artifactory is being exploited in attacks to create tokens that provide administrative access. [...]

Ransomware resilience requires more than backups or endpoint detection alone. Acronis outlines six capabilities MSPs should test across client environments, from reducing exposure and detecting attacks to preserving recovery points and restoring operations quickly. [...]

Dropbox is warning some users that an unauthorized party accessed their accounts by exploiting a flaw in Lenovo's email verification process to register fraudulent Lenovo IDs. [...]

Microsoft is investigating an issue causing the Defender for Office 365 security software to mistakenly block access to legitimate Google search links. [...]

A California federal grand jury has indicted a Russian national for his role in a phishing campaign that infected thousands of freelancers with TVRAT and DarkVNC malware. [...]

International law enforcement agencies and private partners have seized Sality malware infrastructure in a joint action aiming to disrupt and take down the peer-to-peer (P2P) botnet. [...]

SonicWall warned customers that threat actors are chaining two new SMA1000 zero-day vulnerabilities in remote code execution attacks. [...]