Cybersecurity Risk Assessment: The Complete Guide for Security Leaders

Most security teams treat risk assessments as a compliance checkbox, a periodic exercise that generates a thick report, collects dust for six months, and then gets repeated. The result? Organizations discover their biggest exposures only after an incident, not before. A cybersecurity risk...

External Attack Surface Management: What It Is, Why It Matters, and How to Get It Right

Every organization with internet-facing assets has an external attack surface. The question is whether you can see all of it before an attacker does. External attack surface management EASM gives security teams the continuous visibility, context, and control they need to find and fix exposures...

What Is Threat Exposure Management? A Complete Guide

Most security teams can tell you how many vulnerabilities they found last quarter. Very few can tell you which of those vulnerabilities an attacker could actually exploit to breach a critical system. That gap between "found" and "actually dangerous" is the problem threat exposure management was...

PT-2026-31678

Name of the Vulnerable Software and Affected Versions Rapid7 Velociraptor versions prior to 0.76.2 Description Rapid7 Velociraptor versions before 0.76.2 have an input validation issue in the client monitoring message handler on the Velociraptor server primarily Linux. An authenticated remote...

CVE-2026-5329: Improper Input Validation

Rapid7 Velociraptor versions prior to 0.76.2 contain an improper input validation vulnerability in the client monitoring message handler on the Velociraptor server primarily Linux that allows an authenticated remote attacker to write to arbitrary internal server queues via a crafted monitoring...

Malicious code in sentinel-tool (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 5a2ff07802c4546c40d47d3780971506115297a1e8c177be36ad1e003dd62937 The package installs a remote executable that uses a hardcoded Telegram channel for monitoring the user's activity, including regularly taking screenshots, and...

China-Linked Storm-1175 Exploits Zero-Days to Rapidly Deploy Medusa Ransomware

A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate "high-velocity" attacks and break into susceptible internet-facing systems. "The threat actor's high operational tempo and...

Linux Distros Unpatched Vulnerability : CVE-2026-23435

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - perf/x86: Move event pointer setup earlier in x86pmuenable A production AMD EPYC system crashed with a NULL pointer dereference in the PMU NMI handler: BUG:...

Towards Resilient Intrusion Detection in CubeSats: Challenges, TinyML Solutions, and Future Directions

CubeSats have revolutionized access to space by providing affordable and accessible platforms for research and education. However, their reliance on Commercial Off-The-Shelf COTS components and open-source software has introduced significant cybersecurity vulnerabilities. Ensuring the cybersecuri...

Linux Distros Unpatched Vulnerability : CVE-2026-33533

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.3, the Glances XML- RPC server activated with glances -s or glances --serv...

Cross-Origin Data Theft

Glances is vulnerable to Cross-Origin Data Theft via XML-RPC Server CORS Misconfiguration. The vulnerability is due to the XML-RPC handler not validating the Content-Type header, where an attacker-controlled webpage can issue a CORS simple request containing a valid XML-RPC payload, and the serve...

CVE-2026-23435

A flaw was found in the Linux kernel's performance monitoring unit PMU subsystem. A race condition can occur during the unthrottling of performance events, leading to a mismatch between active performance counters and their corresponding event pointers. This can result in a NULL pointer dereferen...

UBUNTU-CVE-2026-23433

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpamrestorembwustate calls rismsmonread via ipi to restore the...

CVE-2026-23433

CVE-2026-23433 concerns the Linux kernel arm_mpam component and memory bandwidth monitoring. The root cause is a null pointer dereference in mpam_restore_mbwu_state: when an MSC is offline then online, __ris_msmon_read() is invoked via IPIs to restore bandwidth-counter configuration, but mbwu_arg...

CVE-2026-23433 arm_mpam: Fix null pointer dereference when restoring bandwidth counters

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpamrestorembwustate calls rismsmonread via ipi to restore the...

CVE-2026-23433 arm_mpam: Fix null pointer dereference when restoring bandwidth counters

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpamrestorembwustate calls rismsmonread via ipi to restore the...

The vulnerability of the netlink_ack_tlv_len() function in the net/netlink/af_netlink.c module allows a hacker to cause a service failure within the Linux operating system’s socket monitoring interface.

The vulnerability of the netlinkacktlvlen function in the net/netlink/afnetlink.c module, which supports NETLINK socket monitoring interfaces in Linux operating systems, is related to errors in deleting confidential information before reusing it. Exploiting this vulnerability could allow an...

PT-2026-30130

In the Linux kernel, the following vulnerability has been resolved: perf/x86: Move event pointer setup earlier in x86 pmu enable A production AMD EPYC system crashed with a NULL pointer dereference in the PMU NMI handler: BUG: kernel NULL pointer dereference, address: 0000000000000198 RIP: x86 pe...

PT-2026-30128

In the Linux kernel, the following vulnerability has been resolved: arm mpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpam restore mbwu state calls ris msmon read via ipi to restore the...

Security Bulletin: The following vulnerabilities that can affect IBM Storage Scale Management GUI and/or system health monitoring are now fixed in 5.2.3.7 or higher and 6.0.0.2 or higher

Summary The following vulnerabilities, which can affect IBM Storage Scale Management GUI and/or system health monitoring and could provide weaker-than-expected security, are now fixed in Storage Scale 5.2.3.7 or higher or 6.0.0.2 or higher. Vulnerability Details CVEID:CVE-2025-66418 DESCRIPTION:...