Urgent advisories, exploited vulnerabilities and incidents. Current Signal data is server-rendered for readers and search engines, with source attribution and update timestamps.
Updated 11 minutes agoSource: CISA
Cyber theSIGNAL
Urgent advisories, exploited vulnerabilities and incidents · LIVE · UPDATED 11 MINUTES AGO
Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, or RDP…
CISA Known Exploited Vulnerabilities CatalogUnited States2 days ago
Sep 12remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s…
CISA Known Exploited Vulnerabilities CatalogUnited States2 days ago
Sep 12remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Google Chromium V8 contains an out of bounds write vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including,…
CISA Known Exploited Vulnerabilities CatalogUnited States2 days ago
Sep 23remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain an authentication Bypass using an alternate path or channel vulnerability that could allow an unauthenticated, remote attacker to bypass authentication and execute…
CISA Known Exploited Vulnerabilities CatalogUnited States2 days ago
Sep 12remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Adobe Commerce and Magento Open Source contain an improper neutralization of special elements used in a template engine vulnerability that could allow an attacker to execute arbitrary code. Required action: Apply mitigations in accordance with vendor instructions, ensuring…
CISA Known Exploited Vulnerabilities CatalogUnited States3 days ago
Sep 11remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security…
CISA Known Exploited Vulnerabilities CatalogUnited States3 days ago
Sep 22remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
N-able N-central contains a static code injection vulnerability that could allow for pre-authentication remote code execution. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see…
CISA Known Exploited Vulnerabilities CatalogUnited States3 days ago
Sep 11remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Microsoft Windows Advanced Local Procedure Call contains a heap-based buffer overflow vulnerability that allows an attacker to elevate privileges locally. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates…
CISA Known Exploited Vulnerabilities CatalogUnited States3 days ago
Sep 22remediation due▲ 18%
MajorCISA lists this vulnerability as known to be exploited in the wild.
Current snapshot
What this theSIGNAL is seeing now
Official · 98%
CVE-2026-19490 · Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability
Citrix NetScaler ADC and NetScaler Gateway contain an authentication-bypass vulnerability involving an alternate path or channel. When the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, or RDP…
CISA Known Exploited Vulnerabilities Catalog · 2 days agoOfficial · 98%
Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s…
CISA Known Exploited Vulnerabilities Catalog · 2 days agoOfficial · 98%
CVE-2026-87491 · Google Chromium V8 Out of Bounds Write Vulnerability
Google Chromium V8 contains an out of bounds write vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including,…
CISA Known Exploited Vulnerabilities Catalog · 2 days agoOfficial · 98%
CVE-2026-20079 · Cisco Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability
Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain an authentication Bypass using an alternate path or channel vulnerability that could allow an unauthenticated, remote attacker to bypass authentication and execute…
CISA Known Exploited Vulnerabilities Catalog · 2 days ago
Methodology
How to read this theSIGNAL
theSIGNAL surfaces source-attributed information and ranks current items using freshness, severity, observed movement and source confidence where those measurements are available. A high ranking identifies attention or consequence; it does not convert an allegation into a fact or a market price into a guaranteed forecast.
Current feed: CISA. Last successful snapshot: September 10, 2026 4:27 pm.
