The Hacker News Most trusted, widely-read independent cybersecurity news source for everyone; supported by hackers and IT professionals — Send TIPs to admin@thehackernews.com
- Turla Turns Kazuar Backdoor Into Modular P2P Botnet for Persistent Accessby info@thehackernews.com (The Hacker News) on May 15, 2026 at 5:10 PM
The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer (P2P) botnet that’s engineered for stealth and persistent access to compromised hosts. Turla, per the U.S. Cybersecurity and Infrastructure Security Agency (CISA), is assessed to be affiliated with Center 16 of Russia’s Federal Security Service (FSB)
- Four OpenClaw Flaws Enable Data Theft, Privilege Escalation, and Persistenceby info@thehackernews.com (The Hacker News) on May 15, 2026 at 1:35 PM
Cybersecurity researchers have disclosed a set of four security flaws in OpenClaw that could be chained to achieve data theft, privilege escalation, and persistence. The vulnerabilities, collectively dubbed Claw Chain by Cyera, can permit an attacker to establish a foothold, expose sensitive data, and plant backdoors. A brief description of the flaws is below –
- What 45 Days of Watching Your Own Tools Will Tell You About Your Real Attack Surfaceby info@thehackernews.com (The Hacker News) on May 15, 2026 at 11:00 AM
In Your Biggest Security Risk Isn’t Malware — It’s What You Already Trust, we made a simple argument: the most dangerous activity inside most organizations no longer looks like an attack. It looks like administration. PowerShell, WMIC, netsh, Certutil, MSBuild — the same trusted utilities your IT team uses every day are also the preferred toolkit of modern threat actors. Bitdefender’s analysis
- TanStack Supply Chain Attack Hits Two OpenAI Employee Devices, Forces macOS Updatesby info@thehackernews.com (The Hacker News) on May 15, 2026 at 10:54 AM
OpenAI has disclosed that two of its employee devices in its corporate environment were impacted via the Mini Shai-Hulud supply chain attack on TanStack, but noted that no user data, production systems, or intellectual property were compromised or modified in an unauthorized manner. “Upon identification of the malicious activity, we worked quickly to investigate, contain, and take steps to
- On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Emailby info@thehackernews.com (The Hacker News) on May 15, 2026 at 6:19 AM
Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-42897 (CVSS score: 8.1), has been described as a spoofing bug stemming from a cross-site scripting flaw. An anonymous researcher has been credited with discovering and reporting the issue. “
- CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access Exploitsby info@thehackernews.com (The Hacker News) on May 15, 2026 at 5:28 AM
The U.S.Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly disclosed vulnerability impacting Cisco Catalyst SD-WAN Controller to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to remediate the issue by May 17, 2026. The vulnerability is a critical authentication bypass tracked as CVE-2026-20182. It’s
- Cisco Catalyst SD-WAN Controller Auth Bypass Actively Exploited to Gain Admin Accessby info@thehackernews.com (The Hacker News) on May 14, 2026 at 5:45 PM
Cisco has released updates to address a maximum-severity authentication bypass flaw in Catalyst SD-WAN Controller that it said has been exploited in limited attacks. The vulnerability, tracked as CVE-2026-20182, carries a CVSS score of 10.0. “A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly
- Stealer Backdoor Found in 3 Node-IPC Versions Targeting Developer Secretsby info@thehackernews.com (The Hacker News) on May 14, 2026 at 5:22 PM
Cybersecurity researchers are sounding the alarm about what has been described as “malicious activity” in newly published versions of node-ipc. According to Socket and StepSecurity, three different versions of the npm package have been confirmed as malicious – node-ipc@9.1.6 node-ipc@9.2.3 node-ipc@12.0.1 “Early analysis indicates that node-ipc@9.1.6, node-ipc@9.2.3, and node-ipc@12.0.1
- ThreatsDay Bulletin: PAN-OS RCE, Mythos cURL Bug, AI Tokenizer Attacks, and 10+ Storiesby info@thehackernews.com (The Hacker News) on May 14, 2026 at 4:07 PM
Everything is still on fire. This week feels dumb in the worst way — bad links, weak checks, fake help desks, shady forum posts, and people turning supply chain attacks into some cursed little game for clout and cash. Half of it feels new. Half of it feels like crap we should have fixed years ago. The mess keeps getting louder: users get tricked, boxes get popped, tools meant for normal work
- Ghostwriter Targets Ukrainian Government With Geofenced PDF Phishing, Cobalt Strikeby info@thehackernews.com (The Hacker News) on May 14, 2026 at 2:00 PM
The Belarus-aligned threat group known as Ghostwriter has been attributed to a fresh set of attacks targeting governmental organizations in Ukraine. Active since at least 2016, Ghostwriter has been linked to both cyber espionage and influence operations targeting neighboring countries, particularly Ukraine. It’s also tracked under the monikers FrostyNeighbor, PUSHCHA, Storm-0257, TA445, UAC‑0057










