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A malicious ChatGPT share link could run an attacker's code in the logged-in session of anyone who opened it, allowing them to read their private conversations, researchers at the security firm Parameter showed. The researchers reported the flaw through OpenAI's bug bounty program on October 18, and OpenAI fixed it eight days later and rated it P1, its most serious category.

Threat actors are launching about 8,226 network-layer distributed denial-of-service (DDoS) attacks per hour, Cloudflare revealed Thursday. The web infrastructure and security company said it autonomously mitigated 18.2 million network-layer (L3) DDoS attacks and 14.4 trillion HTTP DDoS requests in the third quarter of 2026. That amounts to 197,400 attacks per day, or one attack every 0.44

Chinese state-sponsored threat actors have been observed using a Go-based artificial intelligence (AI)-powered penetration testing framework called ARTEX in attacks aimed at high-value targets simultaneously. The activity has been attributed by CrowdStrike to a China-based "targeted intrusion adversary" it tracks under the moniker Vapor Panda (previously VexatiousTemper). First identified in

TeamViewer has fixed a flaw that lets the machine being controlled in a remote session attack the computer that connected to control it. In a TeamViewer session, the computer that connects and takes control is the viewer, and the machine it controls is the host. A malicious or compromised host can exploit the flaw to crash the viewer's TeamViewer and, depending on the platform, may also run

Over 22.6 million exposed instances are potentially affected by the critical PHP flaws that have been targeted for over a week. The post PHP2Shell Attacks Root Palo Alto Firewalls but Fail Against WordPress appeared first on SecurityWeek.

Noteworthy stories that might have slipped under the radar: Iran eyed in military freezer hacks, Copenhagen University breach, AI-powered malware. The post In Other News: Anthropic Breach Dispute, UEFI Flaw Hits Most Servers, Cloudflare AI Data Leak appeared first on SecurityWeek.

Threat actors have been observed attempting to exploit a high-severity security flaw in WordPress Core shortly after patches were released. The vulnerability, which does not have a CVE identifier, relates to a case of remote code execution impacting WordPress Core versions 4.7 through 7.1.3. It carries a CVSS score of 8.1 on the CVSS scoring system. Patches for the flaw were released on October

As organizations eliminate passwords, attackers will adapt. Instead of attacking the authenticator directly, they will look for opportunities around it. The post Passkeys Are Better Than Passwords. But They Are Not Enough. appeared first on SecurityWeek.

It allowed customers to host hack-for-hire services, supported ransomware and infostealer operators, and accepted crypto payments. The post Bulletproof Host Virtualine Loses Its Domain to FBI Seizure appeared first on SecurityWeek.

A Trezor Safe 5 hardware wallet bought from the reseller CryptoBilis has an extra circuit board that sends out the recovery phrase over a mobile network, a customer has reported. Trezor has not yet examined the device. It is telling everyone who bought a Trezor from CryptoBilis since March 2026 to move their funds to a new wallet with a new recovery phrase. Trezor said in a blog post 

Threat actors are attempting to exploit a high-severity unauthenticated race condition leading to remote code execution. The post Fresh WordPress Vulnerability in Attackers’ Crosshairs appeared first on SecurityWeek.

The alert is critical. The fix is known. And the ticket sits in a queue for days. Security teams understand the risk, but the people who keep applications available need proof that the change won’t break anything. Their concerns are practical. An IPS protection could block legitimate traffic. A configuration change could interrupt a service. An endpoint policy could affect an application

Drupal says a highly critical Commerce Core access bypass is exploited in the wild and urges store owners to audit their orders. The post Drupal Commerce Core Vulnerability Exploited Against Online Stores appeared first on SecurityWeek.

Ahmad Umar Agha, a Syrian Electronic Army hacker known online as "Th3Pr0," has been sentenced by a U.S. federal court to 42 months in prison for his role in a hacking conspiracy that targeted Western news outlets. The conspiracy was organized and led by members of former Syrian President Bashar al-Assad's inner circle, including the commander of Syria's General Intelligence

Malicious code linked to a website monitoring tool was designed to hijack logged-in Polymarket sessions and siphon user funds. The post $2 Million+ Drained From Polymarket Traders in New Supply Chain Attack appeared first on SecurityWeek.