Code Defender

A suspected Russian-speaking cyber actor has been attributed to the use of artificial intelligence (AI) to devise exploits targeting a recently disclosed pair of security flaws in PaperCut NG/MF and break into hundreds of instances.

According to independent reports from Blackpoint Cyber and GreyNoise, the activity originates from “45.142.193[.]132,” an IP address that has been linked to

Check Point has patched two critical vulnerabilities in the way its firewall and management products handle VPN certificates. The company says both could allow an unauthenticated remote attacker to run code, but only “under specific conditions” that it has not described.

One flaw affects Check Point’s Security Gateways, its firewall appliances. The other affects those gateways and the Security

Bad actors are misusing Google Play’s Early Access program to push deceptive apps that claim to offer money, rewards, casino winnings, and premium content.

Early Access apps are apps that haven’t been released on the official Android app marketplace. The main idea behind the program is for developers to solicit user feedback for new applications or features they may be working on before their

A lot of this week’s security news has the same awkward answer to one question: “Why was that allowed to work?”

An extension asks for access and takes too much. A trusted service becomes part of a phishing chain. An old bug still gets results. An exposed system stays exposed. A package looks useful right up until it isn’t. Different stories, same basic problem: the path in was often already

Anthropic is most concerned about Claude Mythos 5’s reckless behavior after recent incidents in which real systems were hacked.

The post Widened Scan Turns Up Fourth Rogue Claude Cyber Incident appeared first on SecurityWeek.

Starting Friday, businesses operating in the EU will have just 24 hours to notify the government any time they discover serious product security incidents.

Anthropic on Wednesday disclosed a fourth incident in which its artificial intelligence (AI) model broke into real third-party systems, marking the latest in a growing list of cases that have raised concerns about the security risks posed by autonomous AI agents.

The AI company said the incident dates back to January 2026 and involved an early version of Claude Opus 4.6 that breached “

Nearly one in ten of the internet-facing LiteLLM servers that Wiz Research scanned in February accepted sk-1234, the example admin key in LiteLLM’s own setup guide.

LiteLLM is an open-source AI gateway, the software a company puts between its applications and the model providers it pays for. That key is the gateway’s administrator credential.

Anyone who holds it can read every

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added three flaws, each impacting Cisco, Citrix, and Fortinet, to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the patches by September 12, 2026.

The vulnerabilities are listed below –

CVE-2026-20079 (CVSS score: 10.0) – An authentication

The exploit provides full System privileges on Windows machines running the September 2026 patches.

The post New ‘ShieldCrash’ Zero-Day Exploit Targets Microsoft Defender appeared first on SecurityWeek.