CVEs published in September 2026
1,795 tracked CVEs from 27 vendors had their first vendor advisory published in September 2026: 291 critical, 1,082 high, 17 in CISA KEV. Newest first.
2,453 more from this month are covered only by Red Hat's per-package records, listed on the Red Hat vendor page.
- Added
CVE-2026-19445Critical
Use-after-free of a server-side SSLContext when sni_callback switches contexts
NetApp, Red Hat · 2 advisories - Added
CVE-2026-76501Critical
Cisco · 2 advisories - Added
CVE-2026-76486Critical
Cisco · 2 advisories - Added
CVE-2026-76485Critical
Cisco · 2 advisories - Added
CVE-2026-76471Critical
Cisco NX-OS Software NX-API Remote Code Execution Vulnerability
Cisco · 2 advisories - Added
CVE-2026-76465Critical
Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability
Cisco · 2 advisories - Added
CVE-2026-76459Critical
Cisco · 2 advisories - Added
CVE-2026-76458Critical
Cisco · 2 advisories - Added
CVE-2026-76457Critical
Cisco · 2 advisories - Added
CVE-2026-76456Critical
Cisco · 2 advisories - Added
CVE-2026-76455Critical
Cisco · 2 advisories - Added
CVE-2026-76453Critical
Cisco · 2 advisories - Added
CVE-2026-20173Medium
Cisco NX-OS Software Control Plane Denial of Service Vulnerability
Cisco · 2 advisories - Added
CVE-2026-20038Medium
Cisco Nexus 9000 Series Fabric Switches in ACI Mode Endpoint Group Contract Bypass Vulnerability
Cisco · 2 advisories - Added
CVE-2026-20032Medium
Cisco NX-OS Software Python Sandbox Escape Vulnerability
Cisco · 2 advisories - Added
CVE-2026-76504CriticalCISA KEV
Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability
Cisco · 1 advisory - Added
CVE-2026-95616High
integer overflow in WSS4J's DER bounds check lets an oversized allocation pass validation
Apache · 1 advisory - Added
CVE-2026-92899Medium
Apache WSS4J: UsernameToken replay protection bypassed by re-encoding the Nonce
Apache · 1 advisory - Added
CVE-2026-92121High
In the WSS4J streaming (StAX) code, a signature reference using the WS-Security STR-Transform leaves an internal "inside signed content" flag permanently set
Apache · 1 advisory - Added
CVE-2026-89238Critical
WSS4J EncryptedHeader child confusion could promote an attacker-controlled plaintext element as the decrypted header, leading to incorrect confidentiality coverage and possible policy bypass
Apache · 1 advisory - Added
CVE-2026-88920Critical
authentication bypass in the DOM security processor in Apache WSS4J allows unauthenticated remote attackers to forge authenticated SOAP messages via a crafted unsigned SAML sender-vouches assertion containing an attacker-controlled key
Apache, Red Hat · 2 advisories - Added
CVE-2026-87830Critical
In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path
Apache · 1 advisory - Added
CVE-2026-85532High
Apache WSS4J accepted attacker-controlled derived-key lengths and offsets without adequate bounds
Apache · 1 advisory - Added
CVE-2026-77185Critical
BASM (Broken Authentication & Session Management) org.apache.sshd:sshd-core Dependency in Crucible Server
Apache, Atlassian · 2 advisories - Added
CVE-2026-93994High
BASM (Broken Authentication & Session Management) org.apache.sshd:sshd-core Dependency in Crucible Server
Apache, Atlassian, Red Hat · 3 advisories - Added
CVE-2026-94053Critical
Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5
Apache · 1 advisory - Added
CVE-2026-93995Medium
Apache · 1 advisory - Added
CVE-2026-93996Medium
Uncontrolled resource consumption in component ssd-scp in Apache MINA SSHD versions up to 2.19.0 or 3.0.0-M1 to 3.0.0-M5
Apache · 1 advisory - Added
CVE-2026-94002High
Possible memory exhaustion in SFTP clients (DefaultSftpClient) in component sshd-sftp in Apache MINA SSHD versions 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5
Apache, Red Hat · 2 advisories - Added
CVE-2026-94029Medium
Server-side memory exhaustion in Apache MINA SSHD 1.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5, component sshd-sftp, in the SFTP v6 check-file-name/check-file-handle extension
Apache, Red Hat · 2 advisories - Added
CVE-2026-94052Critical
missing check in LdapPasswordAuthenticator in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 or 3.0.0-M1 to 3.0.0-M5 bypassed authentication checks
Apache · 1 advisory - Added
CVE-2026-102511High
Improper Verification of Source of a Communication Channel in the ADS discovery of the Go implementation of Apache PLC4X (PLC4Go) allows an attacker able to send UDP datagrams to the discovering host to redirect subsequent connections to an arbitrary, attacker-chosen address
Apache · 1 advisory - Added
CVE-2026-102510High
Apache · 2 advisories - Added
CVE-2026-102509High
Apache · 2 advisories - Added
CVE-2026-102508Critical
Improper Verification of Cryptographic Signature and Improper Certificate Validation in the OPC UA driver of Apache PLC4X (PLC4J) allows an attacker in a network position between client and server to impersonate the OPC UA server and to read, forge or modify secure-channel traffic, including user credential ssent by the client
Apache · 1 advisory - Added
CVE-2026-86134High
NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service
WatchGuard · 1 advisory - Added
CVE-2026-44903Medium
Prometheus Vulnerability in NetApp Products
NetApp · 1 advisory - Added
CVE-2026-40179Medium
Prometheus Vulnerability in NetApp Products
NetApp · 1 advisory - Added
CVE-2026-86104High
Fireware OS Resource Exhaustion in Login Process Allows Denial of Service
WatchGuard · 1 advisory - Added
CVE-2026-18145High
stack-based buffer overflow vulnerability in the spamBlocker (spamd) service of WatchGuard Fireware OS allows an authenticated attacker with administrator privileges to crash the service or potentially execute arbitrary code by sending a specially crafted management request
WatchGuard · 1 advisory - Added
CVE-2026-86101High
improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially crafted request
WatchGuard · 1 advisory - Added
CVE-2026-13046High
deserialization of untrusted data vulnerability in WatchGuard Fireware OS's SAML single sign-on session handling (samld) allows an attacker who has already obtained the ability to write files on the appliance to execute arbitrary code in the context of the samld service by causing samld to load a maliciously crafted session file
WatchGuard · 1 advisory - Added
CVE-2026-86131Critical
code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox
WatchGuard · 1 advisory - Added
CVE-2026-13224High
Fireware OS Path Traversal in WebUI Management Agent Allows Arbitrary Local File Read
WatchGuard · 1 advisory - Added
CVE-2026-86133High
integer underflow vulnerability in the WatchGuard Fireware OS IKE daemon (iked) allows a remote attacker who has completed the initial IKEv2 handshake to crash the iked process by sending a specially crafted encrypted IKEv2 message, resulting in a denial of service
WatchGuard · 1 advisory - Added
CVE-2026-90441High
Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant B
WatchGuard · 1 advisory - Added
CVE-2026-18105High
Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of Service
WatchGuard · 1 advisory - Added
CVE-2026-86105Medium
Fireware OS Improper Authorization in Access Portal Reverse Proxy
WatchGuard · 1 advisory - Added
CVE-2026-86136High
Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant A
WatchGuard · 1 advisory - Added
CVE-2026-86132High
integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon (iked) allows a remote, unauthenticated attacker to crash the process by sending a specially crafted encrypted IKEv2 message negotiated with an AES-GCM cipher suite
WatchGuard · 1 advisory - Added
CVE-2026-86128High
Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service
WatchGuard · 1 advisory - Added
CVE-2026-81433High
stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet
WatchGuard · 1 advisory - Added
CVE-2026-102330High
Incorrect authorization in SiteIsolation
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102327High
Incorrect authorization in WebView
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102314High
UI misrepresentation in TabStrip
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102305High
UI misrepresentation in SignIn
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102321High
Type confusion in V8
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102320High
Missing authorization in CORS
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102315High
Uninitialized resource in Media
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102310High
Missing authorization in Payments
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102302High
Buffer overflow in V8
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102329High
Cross-site scripting in WebUI
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102324High
Use after free in PictureInPicture
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102319High
Uninitialized resource in GPU
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102318High
Out of bounds read in WebGL
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102301High
Out of bounds write in GPU
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102328High
Type confusion in V8
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102325High
Uninitialized resource in Skia
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102316High
Use after free in Views
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102309High
Use after free in FullScreen
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102304High
Use after free in Passwords
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102326High
Type confusion in V8
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102323High
Type confusion in V8
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102311High
Uninitialized resource in GPU
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102307High
Uninitialized resource in Dawn
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102303High
Uninitialized resource in GPU
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102300High
Uninitialized resource in WebGPU
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102313High
Information disclosure via uninitialized resource in ANGLE
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102312High
UI misrepresentation in Omnibox
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102306High
Use after free in Bluetooth
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102299High
Type confusion in V8
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102331Critical
arbitrary code execution via buffer overflow in ANGLE
Palo Alto, Red Hat · 2 advisories - Added
CVE-2026-102317High
Improper privilege management in Mojo
Palo Alto, Red Hat · 2 advisories - Added
Authenticated Buffer Overflow Vulnerability in the API Endpoint of HPE Networking Instant On Causes Denial-of-Service
Aruba · 1 advisory - Added
Authenticated Local Path Traversal Vulnerability Leads to Denial-of-Service in HPE Networking Instant On
Aruba · 1 advisory - Added
Authenticated Local Buffer Overflow Vulnerability leads to Denial-of-Service in HPE Networking Instant On
Aruba · 1 advisory - Added
CVE-2026-76735Medium
Authenticated Local Sensitive Information Disclosure in HPE Networking Instant On
Aruba · 1 advisory - Added
CVE-2026-76734Medium
Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On
Aruba · 1 advisory - Added
CVE-2026-76733Medium
Authenticated Denial-of-Service Vulnerability in HPE Networking Instant On API Endpoint
Aruba · 1 advisory - Added
CVE-2026-76732Medium
Authenticated Local Privilege Escalation Vulnerability in a Daemon of HPE Networking Instant ON
Aruba · 1 advisory - Added
CVE-2026-76731Medium
Authentication Bypass in the Captive Portal of HPE Networking Instant On
Aruba · 1 advisory - Added
CVE-2026-76730Medium
Improper PAPI Packet handling leads to unauthorized access in HPE Networking Instant ON APs
Aruba · 1 advisory - Added
CVE-2026-76729Medium
Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API Endpoint
Aruba · 1 advisory - Added
CVE-2026-76728High
Authenticated Server-Side Request Forgery Leading to Remote Code Execution in HPE Networking Instant ON APs
Aruba · 1 advisory - Added
CVE-2026-76727High
Authenticated Command Injection Vulnerabilities in HPE Networking Instant ON
Aruba · 1 advisory - Added
CVE-2026-76726High
Authentication Bypass Leading to Unauthorized Network Access in HPE Networking Instant ON API Endpoint
Aruba · 1 advisory - Added
CVE-2026-76725Critical
Authentication Bypass in a Management Protocol of HPE Networking Instant ON APs
Aruba · 1 advisory - Added
CVE-2026-76724Critical
Unauthenticated Adjacent Command Injection Vulnerability in HPE Networking Instant ON APs Command Line Interface (CLI) Accessed by the PAPI Protocol
Aruba · 1 advisory - Added
CVE-2026-76723Critical
Unauthenticated Adjacent Buffer Overflow Vulnerabilities lead to Remote Code Execution in HPE Networking Instant ON APS
Aruba · 1 advisory - Added
CVE-2026-76722Critical
Uncontrolled Format String Vulnerabilities lead to Remote Code Execution or Denial-of-Service in HPE Networking Instant ON APs
Aruba · 1 advisory