Active exploitation of Cisco Catalyst SD-WAN by UAT-8616

Cisco Talos is tracking the active exploitation of CVE-2026-20127, a vulnerability in Cisco Catalyst SD-WAN Controller, formerly vSmart, that allows an unauthenticated remote attacker to bypass authentication and obtain administrative privileges on the affected system by sending a crafted request...

Cisco Nexus 9000 Series Fabric Switches in ACI Mode Denial of Service Vulnerability

A vulnerability in Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient validation when processing specific Ethernet frames. An attacker cou...

PT-2026-21940

Name of the Vulnerable Software and Affected Versions Cisco Application Policy Infrastructure Controller APIC affected versions not specified Description A flaw exists in the Object Model CLI component that may allow an authenticated, local attacker to trigger an unexpected reload of the device,...

ai-security-toolkit

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APT28 Targeted European Entities Using Webhook-Based Macro Malware

The Russia-linked state-sponsored threat actor tracked as APT28 has been attributed to a new campaign targeting specific entities in Western and Central Europe. The activity, per S2 Grupo's LAB52 threat intelligence team, was active between September 2025 and January 2026. It has been codenamed...

CVE-2026-26957

Libredesk is a self-hosted customer support desk application. Versions prior to 1.0.2-0.20260215211005-727213631ce6 fail to validate destination URLs for webhooks, allowing an attacker posing as an authenticated "Application Admin" to force the server to make HTTP requests to arbitrary internal...

refinance-poc

Refi-Ready POC This project is a Proof-of-Concept for a serve...

CVE-2026-24122

A flaw was found in sigstore/cosign. This vulnerability affects private deployments using customized Public Key Infrastructures PKIs, where it can lead to incorrect validation of artifact signatures. Cosign may mistakenly accept an issuing certificate as valid even if its expiration date precedes...

CVE-2026-26957

Libredesk is a self-hosted customer support desk application. Versions prior to 1.0.2-0.20260215211005-727213631ce6 fail to validate destination URLs for webhooks, allowing an attacker posing as an authenticated "Application Admin" to force the server to make HTTP requests to arbitrary internal...

CVE-2026-24122

Cosign provides code signing and transparency for containers and binaries. In versions 3.0.4 and below, an issuing certificate with a validity that expires before the leaf certificate will be considered valid during verification even if the provided timestamp would mean the issuing certificate...

CVE-2026-24122

Cosign

Feathers exposes internal headers via unencrypted session cookie

All HTTP request headers are stored in the session cookie, which is signed but not encrypted, exposing internal proxy/gateway headers to clients. The OAuth service stores the complete headers object in the session: javascript //...

USN-8033-8 linux-intel-iotg vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

Cloud-native Security for your Windows environment: Announcing the Wiz Runtime Sensor for Windows

Secure your Windows fleet without sacrificing performance. Wiz pairs real-time threat detection with a memory-safe architecture that scales efficiently to protect your essential cloud infrastructure...

USN-8033-7: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-7 linux-intel-iotg-5.15, linux-xilinx-zynqmp vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8034-2: Linux kernel (NVIDIA Tegra IGX) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-5: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

Multiple Vulnerabilities in Hitachi Command Suite, Hitachi Automation Director, Hitachi Configuration Manager, Hitachi Infrastructure Analytics Advisor and Hitachi Ops Center

Overview Multiple vulnerabilities have been found in Hitachi Command Suite, Hitachi Automation Director, Hitachi Configuration Manager, Hitachi Infrastructure Analytics Advisor and Hitachi Ops Center. CVE-2026-21925, CVE-2026-21932, CVE-2026-21933, CVE-2026-21945 Impact Regarding the impact of th...

RHSA-2026:2724 Red Hat Security Advisory: pki-deps:10.6 security update

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