Security News

CISA Flags LiteSpeed cPanel Plugin Flaw Exploited for Root Privilege Escalation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw impacting LiteSpeed cPanel Plugin to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by June 18, 2026. The vulnerability in question is CVE-2026-54420 (CVSS score: 8.5), which has been described as a case of privilege

ISC Stormcast For Tuesday, June 16th, 2026 https://isc.sans.edu/podcastdetail/9974, (Tue, Jun 16th)

Chinese Hackers Abused Google Workspace Rules to Steal Research and Defense Emails

A China-linked espionage group hid inside North American medical, academic, and military research networks for more than a year, quietly stealing sensitive research and defense email. The way in was a backdoor on their REDCap research servers that stole login credentials. The exfiltration was the unusual part: the attackers rewired the victims' own Google Workspace rules to copy any message

North Korean Hackers Are Turning Developer Tools Into Malware Delivery Channels

Cybersecurity researchers have flagged two malicious cyber campaigns that exhibit similarities with a persistent North Korean threat cluster known as Contagious Interview (aka Famous Chollima, HexagonalRodent, and Void Dokkaebi). According to a report published by Proofpoint, the threat actor has been found orchestrating phishing campaigns using developer role recruitment or code review themes

HTTP/2 Bomb Attacks Put Telcos, Healthcare Orgs at Risk

The denial-of-service (DoS) exploit takes advantage of two features in HTTP/2 that were designed to save Internet bandwith, not power massive amplification attacks.

Copilot 'SearchLeak' Attack Allows 1-Click Data Theft

The critical, three-stage attack is now patched, but it's part of a new group of AI prompt-injection issues that use hidden URLs and other variables.

China-Nexus Actor Spy on US Researchers Undetected for a Year

Google discovered and disrupted the sprawling campaign, which stole RedCAP credentials to target numerous institutions and exfiltrate sensitive data.

Most CISOs Report Pressure to Bury Bad Security News

Executive leaders may not be saying it aloud, but business objectives and priorities don't always promote timely disclosures.

LiteLLM Vulnerability Chain Lets Low-Privilege Users Take Over AI Gateway Servers

A default low-privilege account on a LiteLLM proxy can climb to full admin and run code on the server by chaining three vulnerabilities, researchers at Obsidian Security disclosed LiteLLM is a widely deployed open-source AI gateway that brokers calls to more than 100 model providers behind one OpenAI-compatible interface. A server takeover exposes every provider key it holds, the secrets that

One-Click Microsoft 365 Copilot Flaw Could Have Let Attackers Steal Emails, Files, and MFA Codes

A single click on a trusted Microsoft link could have let an attacker pull emails, calendar details, and indexed files out of Microsoft 365 Copilot Enterprise Search. Researchers at Varonis Threat Labs chained three bugs into a one-click exfiltration path they call SearchLeak. Because the link pointed to a real microsoft.com domain, traditional anti-phishing and URL filtering tools were

The Beginning of the End of Social Engineering

AI-native operating systems are shifting the responsibility to stay vigilant against social engineering cyberattacks from the user onto the system itself.

⚡ Weekly Recap: Chrome 0-Day, UniFi Exploits, macOS Stealers, VPN Flaw and More

Stuff broke again. Not in a movie way. An old tool was left exposed. An abandoned package was abused. A deprecated feature was still running in prod. This week is the same lesson in a new form: phishing kits are easier to rent, AI names are useful bait, old login paths still fail, and forgotten software keeps becoming someone else's entry point. Scroll through the full Monday Cybersecurity

US Cracks Down on Anthropic AI Models Amid Abuse Concerns

Anthropic abruptly suspended all access to Fable 5 and Mythos 5 after receiving an export control directive that banned foreign nationals from using the AI models.

The Onboarding Password Mistake That Creates Unnecessary Risk

Employee onboarding is a busy time for IT teams. New starters need devices, accounts, access permissions, and passwords, all delivered within a tight timeframe. That usually means sharing a temporary "first-day" password so employees can access systems for the first time. The issue is that these passwords don't always stay temporary. They may be sent over email or SMS, reused across accounts,

152 Chrome Wallpaper Extensions with 105K Installs Linked to Adware and Fake Traffic

Cybersecurity researchers have discovered a network of 152 Google Chrome extensions that act as new tab live wallpaper add-ons to distribute a potentially unwanted program (PUP) family. The cluster spans 38 separate Chrome Web Store publisher accounts and three brand backends: tabplugins[.]com, yowgames[.]com, and chromewallpaper[.]com. They have been collectively installed 105,000 times. The

Popular WordPress Plugin Scripts Tampered to Plant Hidden Backdoors on Sites

An attacker tampered with trusted JavaScript files used by WordPress sites running PushEngage, OptinMonster, and TrustPulse, turning those files into a way to break into the sites. When a site administrator was logged in as the file loaded, the code created an admin account under the attacker's control and installed a hidden plugin that opened a way back in. Ordinary visitors did not trigger it

Evil MSI Background: BASE64 Statistical Analysis, (Mon, Jun 15th)

I like it when a fellow handler posts a diary entry about images with malicious content. Last one is Xavier: "The Evil MSI Background is Back!".

Sniper Dz Scams Target MENA Users via Fake Facebook Offers and Browser Alerts

Cybersecurity researchers have disclosed details of fraudulent activity targeting users across the Middle East and North Africa by employing various fraudulent Facebook accounts impersonating politicians, public figures, and trusted organizations. "These accounts promoted fake offers, including free mobile internet packages, financial compensation, and government subsidy programs," Group-IB

Palo Alto Warns of Active Exploitation of PAN-OS GlobalProtect VPN Flaw

Palo Alto Networks has revealed that it has observed "active exploitation" of a recently disclosed PAN-OS vulnerability by an unknown threat actor to obtain unauthorized access to GlobalProtect portals. The vulnerability in question is CVE-2026-0257 (CVSS score: 7.8), an authentication bypass flaw affecting the portal and gateway components of PAN-OS software that could be exploited by bad

ISC Stormcast For Monday, June 15th, 2026 https://isc.sans.edu/podcastdetail/9972, (Mon, Jun 15th)