KEV 2026
195 CISA Known Exploited Vulnerabilities from 2026
Critical 100
October 2026
GitLab CE/EE - Unauthenticated RCE via Onigmo Integer Overflow in the CI/CD Regex Compiler
CVSS 10Ahsay AhsayCBS - Unauthenticated RCE as SYSTEM via Replication Receiver API
CVSS 10Arista VeloCloud Orchestrator On-Prem - Authenticated SQL Injection Turns a Read-Only Tenant Login into Superuser Operator
CVSS 9.9Google Brotli - Broccoli2Shell, Out-of-Bounds Write in the Block-Switch Decoder
CVSS 9.8PHP - php2shell, Pre-Auth RCE via Out-of-Memory Corruption During Request Parsing
CVSS 9.8Nextcloud richdocumentscode - Unauthenticated Command Injection in proxy.php While the CODE Server Is Down
CVSS 9.8BeyondTrust Remote Support - Pre-Auth File Write via Unvalidated Internal Message Origin
CVSS 9.8Cisco Secure Email Gateway - Pre-Auth Root File Write via Crafted AMP Attachment
CVSS 9.8Zammad - Unauthenticated Session Fixation to RCE as the zammad User
CVSS 9.8Zammad - Local Privilege Escalation from the zammad Service User to root
CVSS 9.8Fortinet FortiMail - Pre-Auth Arbitrary File Write via IBE Path Traversal and NULL Byte Injection
CVSS 9.8Adobe Commerce and Magento - PolyShell, Unauthenticated File Upload via Guest Cart Custom Options
CVSS 9.3September 2026
WSO2 API Manager - Pre-Auth Admin Takeover via Unsupported-Algorithm JWT
CVSS 10Arista VeloCloud Orchestrator On-Prem - Unauthenticated Host Compromise via Edge Certificate Path
CVSS 10Cisco ISE - Unauthenticated Privileged-API Auth Bypass to Admin
CVSS 10GitLab CE/EE - Unauthenticated Path Traversal Arbitrary File Read via Commits API
CVSS 10Cisco Secure FMC - Unauthenticated Auth Bypass to Root via Orphaned Boot Session
CVSS 10Adobe Commerce / Magento StyleSmuggler - Unauthenticated Template Injection RCE
CVSS 10Kestra Workflow Orchestrator - Auth Bypass via '/configs' Suffix Match Yields Unauthenticated RCE
CVSS 10SonicWall SMA1000 - Pre-Auth SSRF Zero-Day, Chained with CVE-2026-83549 for Unauthenticated RCE
CVSS 10ConnectWise ScreenConnect - Unauthorized Session File Transfer and Execution (Worm-like)
CVSS 9.9Cisco Catalyst SD-WAN Manager - Pre-Auth Admin API Access via Hex-Encoded j_security_check
CVSS 9.8Citrix NetScaler ADC and Gateway - Pre-Auth Command Injection via Poisoned Log Parsing
CVSS 9.8Check Point Security Gateway and Spark - Pre-Auth RCE via VPN Certificate Validation
CVSS 9.8Check Point Security Management - Pre-Auth RCE via Path Traversal on TCP/19009
CVSS 9.8F5 BIG-IP APM - Unauthenticated RCE in TMM via OAuth Profile Traffic
CVSS 9.8Cisco Secure Email Gateway - Unauthenticated SQL Injection to Root via Crafted Email
CVSS 9.8MikroTik RouterOS MikroTrick - SSH Argument Injection Privilege Escalation
CVSS 9.8Citrix NetScaler ADC / Gateway - Unauthenticated Authentication Bypass
CVSS 9.8N-able N-central - Pre-Auth Static Code Injection RCE
CVSS 9.8JFrog Artifactory - 'Phantom' Join Key Lets Attackers Mint Admin Tokens on Default Configs
CVSS 9.8Sangoma Switchvox PBX - Unauthenticated SQLi-to-RCE via Spoofed Phone XML on /pa Endpoint
CVSS 9.8Adobe Commerce and Magento Open Source - Customer Account Takeover via Session Identity Overwrite
CVSS 9.1August 2026
Oracle HTTP Server / WebLogic Proxy Plug-in - Unauthenticated Access-Control Bypass
CVSS 10Metabase - Pre-Auth SQL Injection in Password Reset via HoneySQL :raw Escape Hatch
CVSS 10PaperCut NG/MF - Unauthenticated Admin Config Access, Entry Point of the Zero-Day Chain
CVSS 9.8Citrix NetScaler ADC / Gateway - Pre-Auth SAML Memory Overflow (CTX696604)
CVSS 9.8Gitea - diffpatch Git Hook Injection Enabling Remote Code Execution
CVSS 9.8TrueConf Server - Unauthenticated Script Execution via TCP/4307
CVSS 9.8Microsoft Windows IKEEXT - Pre-Auth Remote Code Execution as SYSTEM via IKEv2 Fragment Reassembly Double Free
CVSS 9.8Broadcom VMware vCenter - Unauthenticated Path Traversal in the Syslog Service Leading to Remote Code Execution
CVSS 9.8Apple macOS Screen Sharing - Pre-Authentication SRP Bypass in screensharingd Yielding Root Access
CVSS 9.8JetBrains TeamCity - Pre-Auth XStream Deserialization RCE via the Agent Polling Protocol
CVSS 9.8IBM Langflow - Unauthenticated RCE by Chaining auto_login to the Code Validation exec() Sink
CVSS 9.8Progress Kemp LoadMaster - Pre-Auth Root RCE via Uninitialized Heap in escape_quotes()
CVSS 9.6MLflow - Unauthenticated SSRF via Webhook Test Endpoint Redirect Bypass Exposing Cloud Metadata Credentials
CVSS 9.3PaperCut NG/MF - Arbitrary Java Class Loading via DB Driver Config, RCE Half of the Zero-Day Chain
CVSS 9.1Microsoft SharePoint Server - Unauthenticated JWT Forgery Enabling Arbitrary User and Site Administrator Impersonation
CVSS 9.1TrueConf Server - Sandbox Escape to SYSTEM via Code Injection
CVSS 9July 2026
Arista VeloCloud Orchestrator - Pre-Auth OS Command Injection to Host Takeover of the SD-WAN Control Plane
CVSS 10SonicWall SMA1000 - Unauthenticated Work Place SSRF Chained With Admin Code Injection in Zero-Day Attacks
CVSS 10Adobe ColdFusion - RDS FILEIO Path Traversal to RCE, Exploited Within Hours of Disclosure
CVSS 10Microsoft SharePoint - Deserialization RCE via SessionSecurityTokenHandler, Fourth in a Month-Long SharePoint Attack Wave
CVSS 9.8Langflow - Unauthenticated Root RCE via Unsandboxed exec() in the Code Validation Endpoint
CVSS 9.8WordPress Core - REST API Batch-Routing Confusion Chained with CVE-2026-60137 for Pre-Auth RCE ("wp2shell")
CVSS 9.8Fortinet FortiSandbox - Unauthenticated Command Injection via Start VNC Feature
CVSS 9.8Fortinet FortiSandbox - Unauthenticated Root Command Injection via tracer-behavior API
CVSS 9.8Microsoft SharePoint Server - Unauthenticated Remote Code Execution via Deserialization of Untrusted Data
CVSS 9.8Oracle E-Business Suite (Oracle Payments) - Unauthenticated Privilege Escalation and File Read via ibytransmit Endpoint
CVSS 9.8iCagenda - Frontend Attachment Upload Zero-Day Exploited Hours Before Patch Release
CVSS 9.8Balbooa Forms - Attachment Upload Extension Re-Attached Verbatim, Exploited as Zero-Day Before a Patch Existed
CVSS 9.8JoomShaper SP Page Builder - Unauthenticated uploadCustomIcon Task Enables PHP Web Shell Upload
CVSS 9.8Joomlack Page Builder CK - CSRF-Token-Only Upload Check Bypassed via Public Token Harvesting
CVSS 9.8Check Point SmartConsole - Unauthenticated Login Token Theft Leads to Full Administrative Takeover
CVSS 9.1June 2026
SimpleHelp RMM - Unauthenticated OIDC Token Forgery Bypassing Authentication and MFA
CVSS 10Ubiquiti UniFi OS - Authentication Bypass via URI Normalization Mismatch
CVSS 10Ubiquiti UniFi OS - Path Traversal Enabling Signing Key Exfiltration (3-CVE Root RCE Chain)
CVSS 10Ubiquiti UniFi OS - Command Injection at Package Update Endpoint (Unauthenticated Root RCE)
CVSS 10Ivanti Sentry - Pre-Auth OS Command Injection via Unauthenticated MICS Configuration Endpoint
CVSS 10PTC Windchill / FlexPLM - Unauthenticated Pre-Auth Remote Code Execution via Deserialization
CVSS 9.8Splunk Enterprise - Unauthenticated RCE via PostgreSQL Sidecar Service (First Splunk CVE in KEV)
CVSS 9.8Joomla Content Editor (JCE) - Unauthenticated PHP File Upload RCE via Missing Authorization on Profile Import
CVSS 9.8Oracle PeopleSoft Enterprise PeopleTools - Pre-Auth SSRF/RCE via Unauthenticated PSEMHUB Endpoint, Exploited by ShinyHunters
CVSS 9.8Mirasvit Full Page Cache Warmer for Magento - Unauthenticated RCE via PHP Object Injection in CacheWarmer Cookie
CVSS 9.8Check Point Security Gateway - IKEv1 Auth Bypass Allows Unauthenticated VPN Access; Actively Exploited by Qilin Ransomware
CVSS 9.3May 2026
Cisco Catalyst SD-WAN - Unauthenticated Remote Auth Bypass via vdaemon DTLS vHub Device-Type Confusion
CVSS 10Nx Console VS Code Extension - Supply-Chain Credential Stealer via TanStack-Linked Developer Compromise
CVSS 9.8DAEMON Tools Lite - Trojanized Official Installer Delivers .NET Infostealer and Selective Backdoor via Compromised Build Infrastructure
CVSS 9.8LiteSpeed User-End cPanel Plugin - Any cPanel User Can Execute Arbitrary Scripts as Root via Unguarded lsws.redisAble API Endpoint
CVSS 9.8BerriAI LiteLLM - Pre-Auth SQL Injection via Unsanitized Bearer Token in Authentication Path
CVSS 9.8TanStack npm Packages - Self-Propagating Supply-Chain Worm via GitHub Actions Cache Poisoning and OIDC Token Extraction
CVSS 9.6Palo Alto Networks PAN-OS - Unauthenticated RCE via Out-of-bounds Write in Authentication Portal
CVSS 9.3Palo Alto Networks PAN-OS GlobalProtect - Pre-Auth VPN Bypass via Forged Authentication Override Cookie
CVSS 9.1April 2026
WebPros cPanel & WHM - Pre-Auth CRLF Injection Grants Unauthenticated Root WHM Access
CVSS 9.8Marimo - Pre-Auth RCE via Unauthenticated Terminal WebSocket
CVSS 9.8Fortinet FortiClient EMS - Pre-Auth SQL Injection via Site HTTP Header
CVSS 9.8Ivanti Endpoint Manager Mobile (EPMM) - Pre-Auth Remote Code Execution via Android File Transfer URL Injection
CVSS 9.8Fortinet FortiClient EMS - Pre-Authentication Remote Code Execution
CVSS 9.8March 2026
Cisco Secure Firewall Management Center (FMC) - Unauthenticated Remote Code Execution via Java Deserialization
CVSS 10Citrix NetScaler ADC & Gateway - Memory Overread via Insufficient Input Validation (SAML IDP)
CVSS 9.8Langflow - Unauthenticated Remote Code Execution via Public Flow Build Endpoint
CVSS 9.8Microsoft SharePoint Server - Remote Code Execution via Deserialization of Untrusted Data
CVSS 9.8February 2026
Cisco Catalyst SD-WAN - CVSS 10.0 Peering Authentication Bypass Enabling Fabric-Wide NETCONF Access, Exploited by UAT-8616 Since 2023
CVSS 10Dell RP4VMs - Hard-coded Tomcat admin credentials allow unauthenticated root access; exploited by PRC-nexus UNC6201
CVSS 10BeyondTrust RS/PRA - Unauthenticated Remote Code Execution via WebSocket Bash Arithmetic Injection
CVSS 9.8SmarterMail - Unauthenticated ConnectToHub API enables OS command execution via malicious server redirect
CVSS 9.8January 2026
Ivanti EPMM - Pre-Auth Remote Code Execution via App Store URL Bash Injection
CVSS 9.8Fortinet FortiCloud SSO - Cross-tenant authentication bypass lets attackers log into other customers' devices
CVSS 9.8SmarterMail - Unauthenticated admin password reset via IsSysAdmin bypass; exploited within 2 days of patch
CVSS 9.8GNU InetUtils telnetd - 11-year-old USER variable injection grants instant unauthenticated root shell
CVSS 9.8High 72
October 2026
Microsoft Windows Shell - Mark of the Web Bypass via Command Injection
CVSS 8.8Cisco ASA/FTD - Pre-Auth SSL VPN Reload via Secondary Authentication Tunnel Group
CVSS 8.6Ivanti Connect Secure - Unauthenticated RCE via X-DSCGI-PATH Header Spoofing
CVSS 8.6PHP - php2shell, Cross-Request Use-After-Free from State Surviving a Fatal Error
CVSS 8.1Linux Kernel - Fragnesia, Local Root via ESP-in-TCP Page Cache Overwrite
CVSS 7.8SiteGuard Server Edition - Local Privilege Escalation to root via the Default-On Statistics Feature
CVSS 7.8Atlassian Data Center - Pre-Auth Arbitrary File Read via webresource Path Traversal
CVSS 7.5Citrix NetScaler ADC and Gateway - Pre-Auth SAML Memory Overflow Denial of Service
CVSS 7.5Ahsay AhsayCBS - Auth Bypass in checkSysPwd Used to Reach Command Injection
CVSS 7.3Plex Media Server - Arbitrary File Write to the Codecs Directory, Final Stage of the Plex2Shell RCE Chain
CVSS 7.2PAN-OS - Post-Auth Root Code Execution on the Firewall Management Interface
CVSS 7.2Ivanti Connect Secure - Root Privilege Escalation via the dsinvoked Broker and DSCache
CVSS 7September 2026
Apple CoreGraphics - Out-of-Bounds Write to Code Execution via a Crafted File
CVSS 8.8Microsoft SharePoint Server - SafeControls Bypass to Authenticated RCE
CVSS 8.8Zyxel GS1900 Switches - Unauthenticated LAN-Side RCE via CGI Stack Overflow
CVSS 8.8Linux Kernel netfilter bridge - ebt_snat ARP Rewrite Writes Into Shared Pages
CVSS 8.8Google Pixel Cellular Modem - Permission-Bypass Privilege Escalation (Targeted)
CVSS 8.8Chromium V8 - In-the-Wild Out-of-Bounds Write, Seventh Chrome Zero-Day of 2026
CVSS 8.8Google Chrome - Sixth Zero-Day of 2026, V8 Type Confusion Exploited in the Wild
CVSS 8.8MikroTik RouterOS btest - Unauthenticated Kernel Memory Disclosure and DoS
CVSS 8.2LiteLLM AI Gateway - MCP Endpoint Accepts Any Bearer Token as Authenticated
CVSS 8.2Citrix NetScaler ADC and Gateway - Pre-Auth Memory Overflow in DTLS Handling
CVSS 8.1WordPress Core - Unauthenticated Local File Inclusion in Page Template Resolution
CVSS 8.1JFrog Artifactory - Token-Scope Authorization Bypass to Admin (chained)
CVSS 8.1Acronis Backup for cPanel/Plesk - Insecure Permissions Local Privilege Escalation
CVSS 7.8Windows Update Stack - Link-Following Local Privilege Escalation to SYSTEM
CVSS 7.8Windows ALPC - Heap Overflow Sandbox Escape and Elevation to SYSTEM
CVSS 7.8SonicWall SMA1000 - AMC Command Injection, the RCE Half of the CVE-2026-83548 Zero-Day Chain
CVSS 7.8JFrog Artifactory - Unauthenticated Anonymous-Token Leak (chain entry point)
CVSS 7.5August 2026
Zimbra ZCS - Unauthenticated OS Command Injection via SNMP Notification Processing
CVSS 8.9Cisco ASA / FTD - Unauthenticated Remote Access VPN Denial of Service via Crafted HTTP Request
CVSS 8.6N-able N-central - Zero-Day Auth Bypass to Admin Takeover; Incomplete Patch for CVE-2026-18556
CVSS 8.1Linux Kernel - IPv6 Out-of-Bounds Write in __ip6_append_data (Local Privesc / Container Escape)
CVSS 7.8Apache Tomcat - EncryptInterceptor Bypass Introduced by the CVE-2026-29146 Fix
CVSS 7.5N-able N-central - Original Auth Bypass Whose Incomplete Fix Led to Zero-Day CVE-2026-18577
CVSS 7.4Windows afd.sys - Race-Condition Use-After-Free Exploited by Lazarus to Deploy FudModule
CVSS 7July 2026
Microsoft SharePoint Server - Authenticated Deserialization Remote Code Execution
CVSS 8.8Langflow - Flow-ID Ownership Check Bypass in /responses Endpoint Used to Exfiltrate API Keys
CVSS 8.4Microsoft AD FS - Local Privilege Escalation Discovered by Microsoft DART During Active Intrusion Response
CVSS 7.8SonicWall SMA1000 - Authenticated Code Injection Chained With SSRF for Full Appliance Takeover
CVSS 7.2June 2026
Google Chrome - Fifth 2026 V8 Zero-Day; TurboFan JIT OOB Enables In-Sandbox RCE
CVSS 8.8BerriAI LiteLLM - MCP Test Endpoint Command Injection; Chains with Starlette Auth Bypass for Fully Unauthenticated RCE on AI Gateways
CVSS 8.8Cisco Unified CM - Unauthenticated SSRF via WebDialer Enabling File Write and Root Escalation
CVSS 8.6LiteSpeed cPanel Plugin - Symlink Following Privilege Escalation on Shared Hosting
CVSS 8.5Cisco Catalyst SD-WAN Manager - Authenticated Local CLI Input Escaping Flaw Allows Root Command Execution; Chained with Auth Bypass Zero-Days
CVSS 7.8SolarWinds Serv-U - Unauthenticated deflate Header DoS Crashes File Transfer Service; ~12,000 Servers Exposed
CVSS 7.5May 2026
Microsoft Exchange Server OWA - Stored XSS via Crafted Email Enables Session Hijacking and Account Takeover
CVSS 8.1Microsoft Defender Malware Protection Engine - Low-Privilege Symlink Following Escalates to SYSTEM; Linked to BlueHammer Exploit Chain (CVE-2026-33825); May 2026 Patch Tuesday
CVSS 7.8Linux Kernel 'Copy Fail' - algif_aead Page Cache Write for Local Privilege Escalation
CVSS 7.8Ivanti EPMM - Authenticated Admin RCE Chained from CVE-2026-1340 Credential Theft
CVSS 7.2April 2026
Apache ActiveMQ Classic - Authenticated RCE via Jolokia JMX-HTTP Bridge (13-Year-Old Flaw, AI-Discovered)
CVSS 8.8Google Dawn - Use-After-Free Vulnerability in Graphics Rendering
CVSS 8.8Adobe Acrobat & Reader - Zero-Day JavaScript Prototype Pollution Leading to Arbitrary Code Execution
CVSS 8.6Microsoft Defender - BlueHammer TOCTOU Race Condition Enabling Local Privilege Escalation to SYSTEM
CVSS 7.8TrueConf Client - Arbitrary Code Execution via Insecure Update Mechanism ("TrueChaos")
CVSS 7.8Cisco Catalyst SD-WAN Manager - DCA Credential Exposure via Accessible Filesystem Enabling Privilege Escalation
CVSS 7.5March 2026
Aquasecurity Trivy - Supply Chain Compromise via Embedded Malicious Code
CVSS 8.8Google Skia - Out-of-Bounds Write via Crafted HTML Page
CVSS 8.8Google Chromium V8 - Arbitrary Code Execution via Inappropriate Implementation
CVSS 8.8Ivanti EPM - Unauthenticated Credential Vault Access via Magic Number Header Bypass
CVSS 8.6Broadcom VMware Aria Operations - Pre-Auth Command Injection During Support-Assisted Migration Workflow
CVSS 8.1Qualcomm Multiple Chipsets - Memory Corruption via Integer Overflow in Memory Allocation
CVSS 7.8February 2026
Soliton FileZen - Authenticated OS Command Injection via Antivirus Check Handler
CVSS 8.8Google Chrome / Chromium - CSS Use-After-Free Enabling Renderer Code Execution (First 2026 Chrome Zero-Day)
CVSS 8.8Microsoft Windows Shell - SmartScreen Bypass via Malicious LNK Files (Network-Delivered)
CVSS 8.8Microsoft MSHTML - APT28-Exploited Mark-of-the-Web Bypass via Malicious LNK Files
CVSS 8.8Apple dyld - Memory Corruption in Dynamic Linker Enabling Code Execution (Google TAG Spyware Chain)
CVSS 7.8Microsoft Office Word - OLE Security Bypass Exploited by MuddyWater (Operation Olalampo)
CVSS 7.8Microsoft Windows DWM - Type Confusion Enabling Local Privilege Escalation to SYSTEM
CVSS 7.8Microsoft Windows Remote Desktop Services - TermService Registry LPE to SYSTEM
CVSS 7.8January 2026
Medium 21
October 2026
Siemens Software Center - DLL Side-Loading Abused as a Signed Carrier in the Romulus ClickFix Campaign
CVSS 6.7Plex Media Server - Loopback Agent API Reached by URL Injection in the 'identifier' Value
CVSS 6.5Plex Media Server - Unauthenticated SSRF via the Player Timeline 'protocol' Parameter, Entry Point of Plex2Shell
CVSS 4.3Plex Media Server - Transcoder SSRF to Any Host, Leaking the Owner's Admin Token
CVSS 4.3September 2026
MikroTik RouterOS - Pre-Auth SSH Rekey State Bypass Feeding the MikroTrick Chain
CVSS 6.5Starlette "BADHOST" - Host Header Poisons request.url.path, Bypassing Path-Based Auth
CVSS 6.5August 2026
July 2026
WordPress Core - SQL Injection in WP_Query, Chained with CVE-2026-63030 for Pre-Auth RCE ("wp2shell")
CVSS 5.9Cisco Secure Firewall Management Center - Static Credential Granting Unauthenticated Access to the Firewall Management Plane
CVSS 5.3Microsoft SharePoint - Unauthenticated Access Primitive Chained Into IIS Machine Key Theft and Deserialization Attacks
CVSS 5.3June 2026
Cisco Catalyst SD-WAN Manager - Arbitrary File Write via Path Traversal Leading to Root
CVSS 6.5Arista EOS - ASIC-Level Tunnel Protocol Confusion Enables Network Segmentation Bypass; No Patch Planned
CVSS 5.8May 2026
Trend Micro Apex One - Local Admin Path Traversal Overwrites Agent Key Table to Inject Code Distributed to All Managed Endpoints; Active Exploitation Confirmed May 2026
CVSS 6.7Drupal Core - Unauthenticated SQL Injection via PostgreSQL EntityQuery Array Key Injection Enables Privilege Escalation and RCE; Fixed 11.3.10 / 10.6.9; 15,000+ Attacks Within Days
CVSS 6.5Microsoft Defender Antimalware Platform - Crafted Payload Crashes Scan Engine Creating Detection Blind Spot; Chained with CVE-2026-41091 LPE; May 2026 Patch Tuesday
CVSS 4April 2026
Cisco Catalyst SD-WAN Manager - Unauthenticated API Information Disclosure as First Step in SD-WAN Attack Chain
CVSS 6.5Microsoft SharePoint Server - Network Spoofing via Improper Input Validation (April 2026 Zero-Day)
CVSS 6.5Cisco Catalyst SD-WAN Manager - Authenticated API File Overwrite Enabling vManage Privilege Escalation
CVSS 5.4Microsoft Windows Shell - NTLM Credential Coercion via Malicious LNK Files (Incomplete APT28 Patch)
CVSS 4.3