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Dirty Frag: Unpatched Linux vulnerability delivers root access

Dirty Frag: Unpatched Linux vulnerability delivers root access 2026-05-08 at 18:03 By Zeljka Zorz A week after Copy Fail, another Linux local privilege escalation vulnerability dubbed “Dirty Frag” has been revealed, along with a PoC exploit. What is Dirty Frag In effect, Dirty Frag refers to two flaws: A xfrm-ESP Page-Cache Write vulnerability (CVE-2026-43284, aka […]

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Ivanti EPMM vulnerability exploited in zero-day attacks (CVE-2026-6973)

Ivanti EPMM vulnerability exploited in zero-day attacks (CVE-2026-6973) 2026-05-08 at 13:30 By Zeljka Zorz Ivanti has released fixes for 5 high-severity vulnerabilities in its Endpoint Manager Mobile (EPMM) solution, one of which (CVE-2026-6973) has being exploited as a zero-day by attackers. “We are aware of a very limited number of customers exploited with CVE-2026-6973,” the

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What Mozilla learned running an AI security bug hunting pipeline on Firefox

What Mozilla learned running an AI security bug hunting pipeline on Firefox 2026-05-08 at 01:14 By Mirko Zorz Over the past several months, Mozilla ran an agentic harness powered by Claude Mythos Preview across Firefox’s source code, identifying 271 security bugs that were fixed in Firefox 150, with additional fixes shipped in versions 149.0.2 and

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One keypress is all it takes to compromise four AI coding tools

One keypress is all it takes to compromise four AI coding tools 2026-05-08 at 01:14 By Mirko Zorz Developers clone unfamiliar repositories all the time. Open-source projects, work from teammates, sample code from a tutorial, a library someone recommended on a forum. The convention is old and reasonable: you look at what’s inside before you

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State-sponsored hackers likely behind zero-day attacks on Palo Alto firewalls

State-sponsored hackers likely behind zero-day attacks on Palo Alto firewalls 2026-05-08 at 01:14 By Zeljka Zorz Palo Alto Networks believes the in-the-wild exploitation of a zero-day vulnerability (CVE-2026-0300) in its firewalls is likely the work of state-sponsored threat actors. A flaw with no patch (yet) CVE-2026-0300 is a buffer overflow vulnerability in the User-ID Authentication

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Critical MOVEit Automation auth bypass vulnerability fixed (CVE-2026-4670)

Critical MOVEit Automation auth bypass vulnerability fixed (CVE-2026-4670) 2026-05-04 at 18:59 By Zeljka Zorz Progress Software has fixed a critical authentication bypass (CVE-2026-4670) and a privilege escalation (CVE-2026-5174) vulnerability in MOVEit Automation, exploitation of which “may lead to unauthorized access, administrative control, and data exposure.” The vulnerabilities were reported privately by Airbus researchers and there’s

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Pipelock: Open-source AI agent firewall

Pipelock: Open-source AI agent firewall 2026-05-04 at 09:46 By Mirko Zorz AI coding agents run with shell access, environment variables containing API keys, and unrestricted internet connectivity, creating a single point of failure where one compromised tool call can leak credentials to an attacker-controlled domain. Pipelock, an open-source security harness developed by Joshua Waldrep under

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cPanel zero-day exploited for months before patch release (CVE-2026-41940)

cPanel zero-day exploited for months before patch release (CVE-2026-41940) 2026-04-30 at 16:45 By Zeljka Zorz A critical authentication bypass vulnerability (CVE-2026-41940) in cPanel, a popular web-based control panel for managing web hosting accounts, is being exploited by attackers in the wild. What’s more, attackers didn’t have to wait for watchTowr security researchers to release technical

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Nine-year-old Linux kernel flaw enables reliable local privilege escalation (CVE-2026-31431)

Nine-year-old Linux kernel flaw enables reliable local privilege escalation (CVE-2026-31431) 2026-04-30 at 15:31 By Zeljka Zorz Security researchers at Theori have disclosed a high-severity local privilege escalation (LPE) vulnerability (CVE-2026-31431) in the Linux kernel. The flaw, nicknamed “Copy Fail”, has affected virtually every major Linux distribution shipped since 2017, and a working proof-of-concept (PoC) exploit

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The AI criminal mastermind is already hiring on gig platforms

The AI criminal mastermind is already hiring on gig platforms 2026-04-27 at 10:30 By Mirko Zorz Labor-hire platforms let anyone with a credit card post a task and pay a stranger to complete it. The RentAHuman platform extends that model to AI agents through a Model Context Protocol server, allowing an agent to post gigs

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Indirect prompt injection is taking hold in the wild

Indirect prompt injection is taking hold in the wild 2026-04-24 at 23:26 By Zeljka Zorz The open web is slowly but surely filling up with “traps” designed for LLM-powered AI agents. The technique, known as indirect prompt injection (IPI), involves hiding (more or less) covert instructions inside ordinary web pages, waiting for an AI agent

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New Cisco firewall malware can only be killed by pulling the plug

New Cisco firewall malware can only be killed by pulling the plug 2026-04-24 at 13:17 By Zeljka Zorz Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security Centre warned on Thusday. “The [Firestarter] malware (…) is relevant for both Cisco

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AI is speeding up nation-state cyber programs

AI is speeding up nation-state cyber programs 2026-04-24 at 08:40 By Mirko Zorz Im this Help Net Security interview, Kaja Ciglic, Senior Director, Cybersecurity Policy and Diplomacy at Microsoft, discusses how nation-state cyber programs have changed over three years. Cyber has become a core instrument of state power, integrated with military, economic, and diplomatic tools.

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With AI’s help, North Korean hackers stumbled into a near-undetectable attack

With AI’s help, North Korean hackers stumbled into a near-undetectable attack 2026-04-24 at 08:22 By Zeljka Zorz For many years, state-sponsored hacking was defined by human expertise in finding security holes, writing malware and exploits, pulling off social engineering and phishing attacks, and much more. Since the advent of LLM-powered AI assistants and tools, less

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Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950)

Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950) 2026-04-23 at 14:17 By Zeljka Zorz Apple has rolled out security updates for iPhones and iPads that fix CVE-2026-28950, a logging issue in Notification Services that made devices unexpectedly retain notifications marked for deletion. The vulnerability was patched following a recent report about the

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A year in, Zoom’s CISO reflects on balancing security and business

A year in, Zoom’s CISO reflects on balancing security and business 2026-04-23 at 09:47 By Mirko Zorz In this Help Net Security interview, Sandra McLeod, CISO at Zoom, reflects on her first year in the role. She talks about moving from reactive firefighting to business strategy, and what she heard from engineers, the board, and

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New Mirai variants target routers and DVRs in parallel campaigns

New Mirai variants target routers and DVRs in parallel campaigns 2026-04-22 at 16:42 By Zeljka Zorz Hidden inside newly discovered botnet malware is an unusual message from its creator: “AI.NEEDS.TO.DIE”. Dubbed “tuxnokill” by researchers at Akamai, the malware is one of two fresh Mirai botnet variants documented this month by major cybersecurity firms and, judging

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Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876)

Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876) 2026-04-22 at 14:47 By Zeljka Zorz Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall detection. MOVEit WAF (web application firewall) is designed to protect Progress’s managed file transfer platform MOVEit

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CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133)

CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133) 2026-04-21 at 15:29 By Zeljka Zorz CISA added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a Cisco Catalyst SD-WAN Manager vulnerability (CVE-2026-20133) that Cisco has yet to flag as exploited. Three Cisco Catalyst SD-WAN Manager vulnerabilities Alongside CVE-2026-20133, CISA has

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Vercel breached via compromised third-party AI tool

Vercel breached via compromised third-party AI tool 2026-04-20 at 18:12 By Zeljka Zorz Cloud deployment and hosting platform Vercel has suffered a security breach that resulted in attackers accessing some of its internal systems and compromising Vercel credentials of a “limited subset of customers”. Advice for affected customers “The incident originated with a compromise of

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