CVE-2026-42920

CVE-2026-42920 affects BIG-IP DTLS: when a Client SSL profile has Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate, resulting in a DoS as TMM restarts. The F5 advisory notes this is a data-plane issue with rem...

CVE-2026-40618

CVE-2026-40618 affects BIG-IP SSL/TLS when an SSL profile is on a virtual server and either QAT is not available (VE) or crypto.hwacceleration is disabled on hardware. This can cause TMM to terminate, resulting in a data-plane DoS with traffic disruption as TMM restarts. Affected BIG-IP lines inc...

CVE-2026-41956

CVE-2026-41956 affects BIG-IP TMM. When a classification profile is configured on a UDP virtual server, undisclosed requests can cause TMM termination, producing DoS on the BIG-IP data plane. From F5 advisories, vulnerable lines include BIG-IP (all modules) UDP virtual servers across 17.x and 21....

CVE-2026-40629 BIG-IP SSL/TLS vulnerability

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42919 F5 BIG-IP Appliance Mode Vulnerability

A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-42919

Affected product: BIG-IP ( appliance mode feature ). The issue allows an authenticated administrator to bypass appliance mode security and execute arbitrary commands with higher privileges, a control‑plane only escalation with no data‑plane exposure as described in the advisory. For BIG-IP Next/1...

CVE-2026-42919 F5 BIG-IP Appliance Mode Vulnerability

A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-40629 BIG-IP SSL/TLS vulnerability

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42919

A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-41218 BIG-IP PEM iRules vulnerability

When BIG-IP PEM iRules are configured on a virtual server iRules using commands starting with CLASSIFICATION::, CLASSIFY::, PEM::, PSC::, and the urlcatquery command, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End...

CVE-2026-42781 BIG-IP FastL4 virtual server vulnerability

When embedded Packet Velocity Acceleration ePVA acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel TMM resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42781 BIG-IP FastL4 virtual server vulnerability

When embedded Packet Velocity Acceleration ePVA acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel TMM resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42781

The CVE-2026-42781 issue affects BIG-IP with embedded ePVA acceleration enabled. A local network attacker can cause the ePVA/TMM to escalate resource utilization, degrading system performance and potentially causing DoS on vulnerable rSeries/VELOS deployments that support ePVA. That impact is a d...

CVE-2026-41957 BIG-IP and BIG-IQ Configuration utility vulnerability

An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-41957 BIG-IP and BIG-IQ Configuration utility vulnerability

An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42408 BIG-IP DNS tmsh vulnerability

When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell tmsh command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42408

When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell tmsh command that may allow a highly privileged authenticated attacker to view sensitive information. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-41957

CVE-2026-41957 affects the BIG-IP and BIG-IQ Configuration utility. The connected advisory confirms an authenticated remote code execution vulnerability via undisclosed vectors in the Configuration utility (control plane access), with CWE-502 deserialization noted in the security advisory details...

CVE-2026-40067

BIG-IP APM CVE-2026-40067 affects BIG-IP APM with vulnerable 21.x releases (e.g., 21.0.0 exposed). The issue occurs when an access policy is configured on a virtual server, allowing undisclosed traffic to trigger a denial-of-service by terminating the apmd process. The F5 advisory classifies this...

CVE-2026-42780

CVE-2026-42780 affects BIG-IP SSL Orchestrator with a directory traversal vulnerability that enables an authenticated user with high privileges to overwrite, delete, or corrupt arbitrary local files. The connected F5 advisory confirms vulnerable branches/versions and fixes: BIG-IP SSL Orchestrato...