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Cyber security news, as it breaks.
Updated 109 stories in 24 hours
Malware & Exploits
Malware, exploited flaws, phishing and botnets, from the researchers who found them.
117stories this week
16today
the last seven days
Most fromThe Hacker News, BleepingComputer, SecurityWeek, Help Net Security
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U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Fortinet Multiple Products and BeyondTrust Remote Support flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: This week, Palo Alto Netwoks researchers reported that PEERSTITCH malware exploited FortiManager to expose…
Security Affairs
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A local privilege escalation exploit published today gains root on OpenBSD 7.9 by chaining a roughly 37-year-old integer overflow with a separate kernel flaw, bypassing OpenBSD’s KARL kernel-address randomization and its SMAP and SMEP hardware protections. Security firm Calif, which found and reported the flaws, published a detailed writeup and full proof-of-concept code after OpenBSD…
The Hacker News
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Ivanti, Cisco, and Palo Alto Networks all had vulnerabilities in edge devices come under fire this week. Now BeyondTrust joins the group.
Dark Reading
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Researchers warn that hackers could soon exploit a maximum-severity vulnerability (CVE-2026-103849) affecting Magento and Adobe Commerce, potentially allowing them to execute arbitrary PHP code on store servers.
BleepingComputer
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Unit 42 details the top initial access vectors adversaries use to breach organizations, led by edge exploits, credential abuse and phishing…
Unit 42
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Candiru spyware was delivered to devices at Al Jazeera Media Network via targeted online advertisements in a zero-click attack that required only rendering the malicious ads on the victim’s device.
BleepingComputer
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Researchers said the first known attack by Armory Castle, also known as UNC5221, occurred almost seven weeks ago. The threat group previously compromised Ivanti and Citrix customers.
CyberScoop
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Attackers repeatedly changed the files that AOMEI Backupper fetches from the vendor’s own update servers, in windows of five to ten minutes at a time between May and July 2026, so that any copy of the Windows backup program that checked for an update during one of those windows would download and run a backdoor.…
The Hacker News
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F5 addressed multiple vulnerabilities, including critical RCE flaws in NGINX that attackers could exploit without authentication. Security and application delivery firm F5 announced fixes for eleven security issues in NGINX. Among them, critical vulnerabilities tracked as CVE-2026-15176 and CVE-2026-93479 could be exploited without authentication via crafted HTTP requests. Under certain conditions beyond their control, an…
Security Affairs
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The Linux kernel’s networking stack was found vulnerable to a guest-to-host escape attack, in which an attacker operating inside a virtual machine (VM) could cross the isolation boundary and access the underlying host. Dubbed PwnEscape and tracked as CVE-2026-99999, a flaw allowed guest-controlled packet metadata to trigger a write that changes an IPv4 header after…
CSO Online UK
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U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Atlassian flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an Atlassian flaw, tracked as CVE-2026-21589 (CVSS score of 9.3), to its Known Exploited Vulnerabilities (KEV) catalog. In early October, threat actors started exploiting CVE-2026-21589, a critical arbitrary file access…
Security Affairs
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This is a problem: Any open model whose weights have been edited can carry a backdoor, whether it’s a task-specific fine-tune, a merged adapter or an abliterated build. We have abliterated models in the title because it’s the most popular reason people download modified weights without verifying what’s inside. Abliteration is a cheap fine-tune that…
Schneier on Security
