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Security News

Latest cybersecurity news from CISA, Krebs on Security, and other trusted sources

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hackernews Jan 07, 2026 at 13:48

Critical n8n Vulnerability (CVSS 10.0) Allows Unauthenticated Attackers to Take Full Control

Cybersecurity researchers have disclosed details of yet another maximum-severity security flaw in n8n, a popular workflow automation platform, that allows an unauthenticated remote attacker to gain complete control over susceptible instances. The vulnerability, tracked as CVE-2026-21858 (CVSS score: 10.0), has been codenamed Ni8mare by Cyera Research Labs. Security researcher Dor Attias has been

Related CVEs: CVE-2026-21858
sans Jan 06, 2026 at 14:23

Tool Review: Tailsnitch, (Tue, Jan 6th)

In yesterday&&#x23&#x3b;x26&#x3b;&#x23&#x3b;39&#x3b;s podcast, I mentioned "tailsnitch", a new tool to audit Tailscale configurations. Tailscale is an easy-to-use overlay to Wireguard. It is probably best compared to STUN servers in VoIP in that it allows devices behind NAT to connect directly to each other. Tailscale just helps negotiate the setup, and once the connection is established, data will flow directly between the connected devices. I personally use it to provide remote assistance to family members, and it has worked great for this purpose. Tailscale uses a "Freemium" model. For my use case, I do not need to pay, but if you have multiple users or a large number of devices, you may need to pay a monthly fee. There are also a few features that are only available to paid accounts.

sans Jan 05, 2026 at 17:33

Risks of OOB Access via IP KVM Devices, (Mon, Jan 5th)

Recently, a new "breed" of IP-based KVM devices has been released. In the past, IP-based KVM devices required dedicated "server-grade" hardware using IPMI. They often cost several $100 per server, and are only available for specific systems that support the respective add-on cards. These cards are usually used to provide "Lights Out" access to servers, allowing a complete reboot and interaction with the pre-boot environment via simple web-based tools. In some cases, these IPMI tools can also be used via various enterprise/data center management tools.

sans Jan 02, 2026 at 15:43

Debugging DNS response times with tshark, (Fri, Jan 2nd)

One of my holiday projects was to redo and optimize part of my home network. One of my homelab servers failed in November. I had only thrown&&#x23&#x3b;x26&#x3b;&#x23&#x3b;xc2&#x3b;&&#x23&#x3b;x26&#x3b;&#x23&#x3b;xa0&#x3b;the replacement in the rack to get going, but some cleanup was needed. In addition, a lot of other "layer 1" issues had to be fixed by re-crimping some network drops and doing general network hygiene. The dust buny kind hygiene, not so much the critical controls type. After all, I don&&#x23&#x3b;x26&#x3b;&#x23&#x3b;39&#x3b;t want things to overheat, and it is nice to see all network links syncing properly.

krebs Jan 02, 2026 at 14:20

The Kimwolf Botnet is Stalking Your Local Network

The story you are reading is a series of scoops nestled inside a far more urgent Internet-wide security advisory. The vulnerability at issue has been exploited for months already, and it's time for a broader awareness of the threat. The short version is that everything you thought you knew about the security of the internal network behind your Internet router probably is now dangerously out of date.

About Security News

This feed aggregates the latest cybersecurity news from trusted sources to help you stay informed about emerging threats, vulnerabilities, and security trends.

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