Skip to content
Threat Feed

Vendor

F5

15 briefs RSS
critical advisory

Critical RCE Vulnerability in F5 BIG-IP APM

An unauthenticated remote code execution vulnerability (CVE-2026-94127) exists in F5 BIG-IP APM when an OAuth profile is configured on a virtual server, allowing attackers to execute arbitrary code via malformed traffic.

BIG-IP APM cve rce network-security f5
1t 1c
medium advisory

Vulnerability in F5 NGINX

A vulnerability in F5 NGINX, tracked as CVE-2026-90439, allows remote attackers to trigger a denial of service and potentially compromise data integrity.

NGINX Open Source +1 vulnerability webserver dos
1c
high advisory

Privilege Escalation in F5 BIG-IP TMUI via CVE-2026-66842

An authenticated user with any role can exploit a vulnerability in the F5 BIG-IP Traffic Management User Interface to create arbitrary administrative accounts.

BIG-IP privilege-escalation network-security f5
1t 1c
high advisory

Authentication Bypass in NGINX JavaScript and QuickJS Engines

An authentication bypass flaw in NGINX JavaScript (njs) and QuickJS (qjs) engines allows unauthenticated attackers to trigger a fail-open state in access control logic, potentially granting unauthorized access to protected resources.

NGINX JavaScript +1
1t 1c
critical threat

CVE-2026-63030: Critical Remote Code Execution Vulnerability in WordPress Core

CVE-2026-63030 is a critical unauthenticated remote code execution vulnerability affecting WordPress Core versions 6.9.0 through 6.9.4 and 7.0.0 through 7.0.1, allowing an unauthenticated attacker to execute arbitrary code via the WordPress REST API batch endpoint, potentially leading to complete website compromise.

exploited PoC WordPress Core 6.9.0 +51 wordpress rce web-vulnerability cve
2t 15c 8i updated
medium advisory

F5 BIG-IP and BIG-IP Next Vulnerability Enables Denial of Service

An unauthenticated, remote attacker can exploit a vulnerability in F5 BIG-IP and BIG-IP Next to perform a Denial of Service attack, potentially disrupting services.

BIG-IP +1 denial-of-service vulnerability network
1t
low advisory

CVE-2026-59762: F5 BIG-IP HTTP/2 Profile Denial of Service Vulnerability

A denial-of-service vulnerability (CVE-2026-59762) exists in F5 BIG-IP systems when an HTTP/2 profile is configured on a virtual server, where undisclosed requests can lead to increased memory resource utilization, degrading system performance and potentially causing the TMM process to restart, allowing a remote, unauthenticated attacker to cause a denial-of-service condition affecting the data plane.

BIG-IP system denial-of-service vulnerability f5
1t 1c
high advisory

CVE-2026-42533 Heap Buffer Overflow in NGINX Map Directive

A heap buffer overflow vulnerability, CVE-2026-42533, exists in NGINX Plus and NGINX Open Source when a 'map' directive uses regex matching and references its capture variables before the map's output variable or uses a non-cacheable variable under certain conditions, allowing an unauthenticated attacker to send crafted HTTP requests causing denial-of-service or remote code execution.

PoC NGINX Plus +9 vulnerability nginx webserver buffer-overflow DoS RCE
3t 2c updated
high advisory

CVE-2026-50107: NGINX Gateway Fabric Configuration Injection Vulnerability

An injection vulnerability, CVE-2026-50107, exists in the NGINX configuration generator component of NGINX Gateway Fabric when configured with NGINX Plus or NGINX Open Source as the data plane, allowing authenticated attackers with CRD modification permissions to inject arbitrary NGINX configuration directives via unsanitized user-supplied string values in the access log format setting, leading to control plane compromise and potential defense evasion or system impact.

PoC NGINX Plus +10 config-injection nginx kubernetes cloud-native web-vulnerability cve
2r 1t 5c 2i updated
critical advisory

Nginx Vulnerability Leading to Remote Code Execution and Denial of Service

A vulnerability in Nginx allows a remote attacker to execute arbitrary code and cause a denial-of-service condition, affecting Nginx Open Source versions 1.x before 1.30.2, versions after 1.31.0 before 1.31.1, Nginx Plus versions 37.x before 37.0.1.1, and versions Rx before R36 P5 or R32 P7.

PoC NGINX Open Source +1 nginx rce dos CVE-2026-9256 webserver
2r 2t 1c updated
high threat

Multiple Vulnerabilities in F5 BIG-IP Products

Multiple vulnerabilities in F5 BIG-IP products could allow an attacker to execute arbitrary code, gain elevated privileges, bypass security measures, manipulate or disclose data, or cause a denial-of-service condition.

BIG-IP f5 vulnerability privilege-escalation execution defense-evasion impact discovery credential-access
3r 5t
high advisory

CVE-2026-40061: BIG-IP DNS iControl REST/TMSH Command Injection Vulnerability

CVE-2026-40061 is a vulnerability in F5 BIG-IP DNS that allows an authenticated attacker with Resource Administrator or Administrator privileges to execute arbitrary system commands with elevated privileges via undisclosed iControl REST and TMOS Shell (tmsh) commands, potentially crossing security boundaries in Appliance mode deployments.

BIG-IP DNS privilege-escalation execution cve
2r 2t 1c
high advisory

CVE-2026-32643: F5 BIG-IP and BIG-IQ Authenticated Command Execution

CVE-2026-32643 describes a vulnerability in F5 BIG-IP and BIG-IQ systems that allows a highly privileged, authenticated attacker with the Certificate Manager role to modify configuration objects, leading to arbitrary command execution.

BIG-IP +1 cve command execution privilege escalation f5
2r 1t 1c
critical threat

F5 BIG-IP APM CVE-2025-53521 Reclassified as Actively Exploited Unauthenticated RCE

F5 has reclassified CVE-2025-53521, a vulnerability in BIG-IP APM, as a critical unauthenticated remote code execution vulnerability and reports it is being actively exploited in the wild.

exploited f5 big-ip apm cve-2025-53521 rce vulnerability
2r 1t 1c updated
high advisory

DNS Kerberos Coercion Attempt Detection

This brief details the detection of DNS-based Kerberos coercion attacks, where adversaries inject marshaled credential structures into DNS records to spoof SPNs and redirect authentication, as seen in CVE-2025-33073, using Suricata and Sysmon event ID 22.

PoC Fortinet edge appliances +38 kerberos coercion dns cve-2025-33073
3r 3t 4c 4i updated