Threat Library

Vulnerabilities. Used In Real Attacks.

Software flaws that attackers have used in real attacks: who is affected and what to do about them.

Vendor
Year

Vulnerability. 2026.

Check Point VPN Login Bypass (CVE-2026-50751).

CVE-2026-50751.

CVE-2026-50751 is a flaw in Check Point Security Gateway remote access VPN that lets an outsider open a VPN session without a valid password.

  • On CISA KEV.
  • Check Point.

Open.

Vulnerability. 2023.

Cisco IOS XE Web UI Flaw (CVE-2023-20198).

CVE-2023-20198.

CVE-2023-20198 is a flaw in the web management page of Cisco IOS XE, the software that runs many Cisco routers and switches.

  • On CISA KEV.
  • Cisco.

Open.

Vulnerability. 2023.

Citrix Bleed (CVE-2023-4966).

CVE-2023-4966.

CVE-2023-4966, nicknamed Citrix Bleed, is a flaw in NetScaler ADC and NetScaler Gateway, the Citrix products that give staff remote access.

  • On CISA KEV.
  • Citrix.

Open.

Vulnerability. 2025.

Citrix Bleed 2 (CVE-2025-5777).

CVE-2025-5777.

CVE-2025-5777 is a flaw in NetScaler ADC and NetScaler Gateway where weak input checking lets the device read and return memory it should not.

  • On CISA KEV.
  • Citrix.

Open.

Vulnerability. 2025.

CrushFTP Authentication Bypass (CVE-2025-31161).

CVE-2025-31161.

CVE-2025-31161 is a flaw in CrushFTP, a file transfer server, that lets an outsider sign in as another user without a password.

  • On CISA KEV.
  • CrushFTP.

Open.

Vulnerability. 2026.

CVE-2026-76418.

CVE-2026-76418.

CVE-2026-76418 is a denial-of-service flaw in Cisco Secure Firewall ASA and Threat Defense (FTD).

  • On CISA KEV.
  • Cisco.

Open.

Vulnerability. 2026.

CVE-2026-93857.

CVE-2026-93857.

CVE-2026-93857 is a stack-based buffer overflow in the WatchGuard Fireware OS SIP proxy.

  • WatchGuard.

Open.

Vulnerability. 2026.

CVE-2026-98432.

CVE-2026-98432.

CVE-2026-98432 is a Linux kernel use-after-free in TCP and IPv4 option handling.

  • Linux.

Open.

Vulnerability. 2023.

Ivanti Authentication Bypass (CVE-2023-46805).

CVE-2023-46805.

CVE-2023-46805 is an authentication bypass in the web component of Ivanti Connect Secure and Ivanti Policy Secure.

  • On CISA KEV.
  • Ivanti.

Open.

Vulnerability. 2024.

Ivanti Command Injection (CVE-2024-21887).

CVE-2024-21887.

CVE-2024-21887 is a command injection flaw in the web components of Ivanti Connect Secure and Ivanti Policy Secure.

  • On CISA KEV.
  • Ivanti.

Open.

Vulnerability. 2026.

Ivanti Connect Secure Bypass (CVE-2026-104935).

CVE-2026-104935.

CVE-2026-104935 is a flaw in Ivanti Connect Secure, a VPN gateway that lets staff reach company systems from outside.

  • On CISA KEV.
  • Ivanti.

Open.

Vulnerability. 2026.

Ivanti EPMM Second Code Injection Flaw (CVE-2026-1340).

CVE-2026-1340.

CVE-2026-1340 is a critical code injection flaw in Ivanti Endpoint Manager Mobile (EPMM) that lets an attacker run code on the server without logging in.

  • On CISA KEV.
  • Ivanti.

Open.

Vulnerability. 2021.

Log4Shell.

CVE-2021-44228.

Log4Shell (CVE-2021-44228) is a remote code execution flaw in Log4j 2, a widely used Java logging library from the Apache Software Foundation.

  • On CISA KEV.
  • Apache Software Foundation.

Open.

Vulnerability. 2023.

MOVEit Transfer SQL Injection.

CVE-2023-34362.

CVE-2023-34362 is the MOVEit Transfer SQL injection flaw, in Progress MOVEit Transfer, software that companies use to exchange files.

  • On CISA KEV.
  • Progress Software.

Open.

Vulnerability. 2026.

NetScaler SAML Memory Overread (CVE-2026-3055).

CVE-2026-3055.

CVE-2026-3055 is a flaw in NetScaler ADC and NetScaler Gateway where weak input checking lets the device read and return memory it should not.

  • On CISA KEV.
  • Citrix.

Open.

Vulnerability. 2026.

Node.js Brotli Decoder Remote Code Execution (CVE-2026-111497).

CVE-2026-111497.

CVE-2026-111497, called Node2Shell by researchers and also HTTP2Shell or Broccoli2Shell in later posts, including Wiz Research's, is an out-of-bounds write in the Brotli decoder bundled with Node.js.

  • On CISA KEV.
  • Node.js project; Google.

Open.

Vulnerability. 2025.

Oracle E-Business Suite Remote Code Execution (CVE-2025-61882).

CVE-2025-61882.

CVE-2025-61882 is a flaw in the BI Publisher Integration part of Oracle Concurrent Processing, which is a component of Oracle E-Business Suite (EBS), a business software suite for finance and operations.

  • On CISA KEV.
  • Oracle.

Open.

Vulnerability. 2026.

PAN-OS CVE-2026-0322: Management RCE And Fixes.

CVE-2026-0322.

CVE-2026-0322 is a flaw in the management interface of Palo Alto Networks PAN-OS, the software that runs its firewalls and Panorama management servers.

  • On CISA KEV.
  • Palo Alto Networks.

Open.

Vulnerability. 2026.

Plex Media Server Timeline SSRF (CVE-2026-96652).

CVE-2026-96652.

CVE-2026-96652 is a server-side request forgery in the /player/timeline endpoint of Plex Media Server before build 1.43.3.10861.

  • On CISA KEV.
  • Plex.

Open.

Vulnerability. 2026.

Plex Media Server Transcode SSRF (CVE-2026-96655).

CVE-2026-96655.

CVE-2026-96655 is a server-side request forgery in the /video/:/transcode/universal endpoint of Plex Media Server before build 1.43.3.10861.

  • On CISA KEV.
  • Plex.

Open.

Vulnerability. 2021.

ProxyLogon Exchange Flaw (CVE-2021-26855).

CVE-2021-26855.

CVE-2021-26855 is a flaw in on-premises Microsoft Exchange Server, the first link in the attack chain called ProxyLogon.

  • On CISA KEV.
  • Microsoft.

Open.

Vulnerability. 2024.

SimpleHelp Path Traversal (CVE-2024-57727).

CVE-2024-57727.

CVE-2024-57727 is a path traversal flaw in SimpleHelp, remote support software that IT teams and service providers use to manage computers.

  • On CISA KEV.
  • SimpleHelp.

Open.

Vulnerability. 2026.

TeamCity Agent Protocol Flaw (CVE-2026-63077).

CVE-2026-63077.

CVE-2026-63077 is a flaw in JetBrains TeamCity On-Premises, a server that builds and ships software (a CI/CD tool).

  • On CISA KEV.
  • JetBrains.

Open.

Vulnerability. 2026.

UniFi OS Command Injection (CVE-2026-34910).

CVE-2026-34910.

CVE-2026-34910 is a critical command injection in UniFi OS, the operating system of Ubiquiti gateways, recorders, storage units and UniFi OS Server.

  • On CISA KEV.
  • Ubiquiti.

Open.

Vulnerability. 2026.

UniFi OS Improper Access Control (CVE-2026-34908).

CVE-2026-34908.

CVE-2026-34908 is a critical improper access control flaw in UniFi OS, the operating system of Ubiquiti gateways, recorders, storage units and UniFi OS Server.

  • On CISA KEV.
  • Ubiquiti.

Open.

Vulnerability. 2026.

VMware vCenter Syslog Flaw (CVE-2026-59310).

CVE-2026-59310.

CVE-2026-59310 is a directory traversal flaw in the Syslog server of VMware vCenter, the console used to manage virtualised servers.

  • On CISA KEV.
  • VMware.

Open.

Vulnerability. 2026.

WordPress Core Upgrade-Window Race Flaw (CVE-2026-119977).

CVE-2026-119977.

CVE-2026-119977 is a race condition in the WordPress core upgrade process that lets an unauthenticated attacker run code on the server during the upgrade window.

  • On CISA KEV.
  • WordPress Foundation.

Open.

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