Vulnerabilities are flaws attackers can exploit to access systems or data; timely patching, isolation, and least privilege reduce the impact.
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Background for this topic.
A vulnerability is a weakness in a system’s design, code, configuration, or operating process that could allow an attacker to violate a security requirement. It may affect software, hardware, networks, cloud services, or exposed interfaces, and is not automatically exploitable: practical risk depends on factors such as exposure, required privileges, available attack paths, and existing controls. Outcomes can include unauthorized access, information disclosure, code execution, or disruption of service.
Effective vulnerability management combines accurate asset inventory with code review, security testing, scanning, and trusted vulnerability intelligence. Organizations should prioritize weaknesses affecting reachable, business-critical systems—especially when exploitation is known or requires little access—then patch or otherwise mitigate them and verify the fix. Where patching is delayed, controls such as disabling an exposed feature, restricting network access, or strengthening authentication can reduce the attack surface. Records should preserve affected versions, risk decisions, remediation owners, and validation results.
Thousands of MCP Servers Leave AI Apps Open to Attack SurfacesHundreds of Model Context Protocol servers designed to help AI tools access private data are insecurely exposed online, say BackSlash Security researchers. Weak configurations leave systems vulnerable to data leaks and remote code execution attacks.
If exploited, the critical vulnerability allows attackers to maintain access for longer periods of time than the original CitrixBleed flaw, all while remaining undetected.
Hackers can spy on tens of thousands of connected tractors in the latest IoT threat, and brick them too, thanks to poor security in an aftermarket steering system.
A critical NetScaler ADC and Gateway vulnerability dubbed "Citrix Bleed 2" (CVE-2025-5777) is now likely exploited in attacks, according to cybersecurity firm ReliaQuest, seeing an increase in suspicious sessions on Citrix devices. [...]
A critical NetScaler ADC and Gateway vulnerability dubbed "Citrix Bleed 2" (CVE-2025-5777) is now likely exploited in attacks, according to cybersecurity firm ReliaQuest, seeing an increase in suspicious sessions on Citrix devices. [...]
Putting a vulnerability debt figure together involves work, but having vulnerability debt figures lets you measure real-world values against your overall security posture.
This new CitrixBleed lookalike flaw is being exploited in the wild to gain initial access, according to ReliaQuest
A 10.0 and a 9.8 – these aren’t patches to dwell on Cisco has dropped patches for a pair of critical vulnerabilities that could allow unauthenticated remote attackers to execute code on vulnerable systems.…
Cybersecurity researchers have disclosed a critical vulnerability in the Open VSX Registry ("open-vsx[.]org") that, if successfully exploited, could have enabled attackers to take control of the entire Visual Studio Code extensions marketplace, posing a severe supply chain risk
Cisco has published a bulletin to warn about two critical, unauthenticated remote code execution (RCE) vulnerabilities affecting Cisco Identity Services Engine (ISE) and the Passive Identity Connector (ISE-PIC). [...]
Cisco has released updates to address two maximum-severity security flaws in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) that could permit an unauthenticated attacker to execute arbitrary commands as the root user
CISA says a maximum severity vulnerability in AMI's MegaRAC Baseboard Management Controller (BMC) software, which enables attackers to hijack and brick servers, is currently under active exploitation. [...]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added three security flaws, each impacting AMI MegaRAC, D-Link DIR-859 router, and Fortinet FortiOS, to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation
A slew of vulnerabilities, including a critical CVSS 9.8 that enables an attacker to generate the default admin password, affect hundreds of printer, scanner, and label-maker models made by manufacturer Brother.
Citrix is warning that a vulnerability in NetScaler appliances tracked as CVE-2025-6543 is being actively exploited in the wild, causing devices to enter a denial of service condition. [...]
New research has uncovered continued risk from a known security weakness in Microsoft's Entra ID, potentially enabling malicious actors to achieve account takeovers in susceptible software-as-a-service (SaaS) applications
WinRAR has addressed a directory traversal vulnerability tracked as CVE-2025-6218 that, under certain circumstances, allows malware to be executed after extracting a malicious archive. [...]
A recent vulnerability in Citrix NetScaler ADC and Gateway is dubbed "CitrixBleed 2," after its similarity to an older exploited flaw that allowed unauthenticated attackers to hijack authentication session cookies from vulnerable devices. [...]
NSA and CISA are urging developers to adopt memory safe languages (MSLs) to combat vulnerabilities in software
Citrix has released security updates to address a critical flaw affecting NetScaler ADC that it said has been exploited in the wild