Vulnerabilities

New Windows SignDrop zero-day gives hackers SYSTEM privileges

Security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) has released a new Windows zero-day exploit that can let attackers gain SYSTEM privileges. [...]

✉

The signal, without the noise.

Get the daily security brief.

Continuously monitored

Latest intelligence

Vulnerabilities

Siemens RUGGEDCOM APE1808

Palo Alto Networks has published information on a vulnerability in PAN-OS related to the Node2Shell vulnerability. This advisory lists the related Siemens Industrial products affected by this vulnerability. Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications. The following versions…

Read InfosecFeed brief →
Vulnerabilities

Siemens Building Automation and Energy Products

On October 21, 2026, the PHP project and security researchers disclosed two critical, unauthenticated remote code execution vulnerabilities in the core PHP language runtime known as "php2shell" (tracked as CVE-2026-109618 and CVE-2026-109619). This advisory covers the status of impact of various Siemens software products. As a general security measure…

Read InfosecFeed brief →
Vulnerabilities

Siemens Industrial Edge Management

Siemens is currently assessing the impact of Node2Shell (CVE-2026-111497) on Industrial Edge. Please check your Industrial Edge Management (IEM) setup: - No Management Applications installed: No action is required. Although the affected Brotli library is included in the IEM software stack, the affected functionality is not used or exposed. The same applies…

Read InfosecFeed brief →
Vulnerabilities

Exploit Attempts for GPUStack Authentication Bypass (CVE-2026-102895), (Thu, Nov 12th)

CVE-2026-102895 is a trivial authentication-bypass vulnerability. GPUStack is also an attractive target. It is open-source software that manages clusters of GPUs, which are typically used to run AI workloads. All versions of GPUStack prior to 2.2.0, which was released at the end of June. This vulnerability was not made public until the end of July, and the…

Read InfosecFeed brief →
Research

Who Runs the Ransomware Group Qilin?

The cybercrime group Qilin has emerged as the world's most active ransomware affiliate program, claiming at least 365 victim organizations in the past three months alone. But even top Russian hackers make operational security mistakes, and the administrator of Qilin has made a few key missteps over the last decade that all point to a 36-year-old man living…

Read InfosecFeed brief →
Vulnerabilities

Microsoft Fixes Nearly 1,100 Security Vulnerabilities

Microsoft did another four-digit patch drop today, releasing updates to fix almost 1,100 security vulnerabilities in its Windows operating systems and supported software. This month's Patch Tuesday addresses 63 critical flaws -- including a zero-day in Microsoft Outlook -- and comes amid important security updates from other software makers, including…

Read InfosecFeed brief →
Vulnerabilities

CISA Adds Six Known Exploited Vulnerabilities to Catalog

CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-20320 Cisco BroadWorks Improper Restriction of XML External Entity Reference Vulnerability CVE-2026-111560 Barracuda Networks Multiple Products OS Command Injection Vulnerability CVE-2026-111793 Openwave Messaging…

Read InfosecFeed brief →
Vulnerabilities

Scans for Sshole Vulnerability (CVE-2026-123158), (Sun, Nov 8th)

Our honeypots use "Cowrie" to collect SSH data. With the emergence of the "sshole" vulnerability last week, we are now seeing an increase in attempts to exploit the vulnerability. Our data is a bit limited in this respect. Our honeypots collect only the first 255 characters of SSH passwords. Longer passwords are highly unusual and not used for the usual…

Read InfosecFeed brief →
Vulnerabilities

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-19868 SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal…

Read InfosecFeed brief →
Vulnerabilities

Post-Quantum Questions to Ask Your Vendors

CISA, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the National Security Agency (NSA) released joint guidance and an accompanying quick-reference list to help organizations assess vendor readiness for transitioning to post-quantum cryptography (PQC). As quantum computing advances, widely used public-key…

Read InfosecFeed brief →
Vulnerabilities

US Government Partners Urge Hardening Industrial Refrigeration and Cold Chain Monitoring Systems

Overview The Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Health and Human Services (HHS), U.S. Department of Agriculture (USDA), and the Department of Transportation (DoT)—hereafter referred to as “the authoring organizations”—are aware of malicious cyber activity targeting industrial refrigeration and…

Read InfosecFeed brief →
Threats

Want to Rent an Internet Address at the White House?

Several staffers at the White House are using computers or mobile devices equipped with residential proxy services that render their internet address available for others to rent, security experts warned today. One of the proxy services is a Russian company whose founder's web hosting business was ground zero for cyberattacks against election systems in…

Read InfosecFeed brief →
Vulnerabilities

The Classics Return: Vulnerable E-Mail Scripts, (Wed, Nov 4th)

One of the early web application vulnerabilities I remember was CVE-2000-0411 [CVE]. This was a simple vulnerability in a CGI-bin script used to send e-mail. The vulnerability was pretty straightforward: Adding additional parameters to the URL leaked environment variables. Other vulnerabilities allowed setting the "To" address and were heavily abused by…

Read InfosecFeed brief →
Vulnerabilities

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2024-27834 Apple Multiple Products Improper Authentication Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding…

Read InfosecFeed brief →
Vulnerabilities

Subnet Solutions PowerSYSTEM Center

Successful exploitation of these vulnerabilities could allow an attacker to execute unauthorized SQL commands and gain access to unauthorized resources. The following versions of Subnet Solutions PowerSYSTEM Center are affected: PowerSYSTEM Center 2020 =6.0.x|=7.0.x|=6.0.x|

Read InfosecFeed brief →
Vulnerabilities

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-119977 WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal…

Read InfosecFeed brief →
Vulnerabilities

Mutipath TCP: Use and Detection, (Mon, Nov 2nd)

Last week, an often-ignored TCP option, introduced in 2020, made the news due to a new vulnerability in Linux's implementation (RFC 8684,  CVE-2026-98432)

Read InfosecFeed brief →