K000160875: BIG-IP PEM iRules vulnerability CVE-2026-41218

Security Advisory Description 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. CVE-2026-41218...

K000161056: BIG-IP APM vulnerability CVE-2026-40067

Security Advisory Description When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate. CVE-2026-40067 Impact Traffic is disrupted while the apmd process restarts. This vulnerability allows an unauthenticated attacker to cause ...

K000160901: BIG-IP DTLS vulnerability CVE-2026-42920

Security Advisory Description When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. CVE-2026-42920 Impact Traffic is disrupted while the TMM process restarts. This...

K000160975: BIG-IP privilege escalation vulnerability CVE-2026-41953

Security Advisory Description A vulnerability exists in BIG-IP systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can modify configuration objects resulting in privilege escalation. CVE-2026-41953 Impact This vulnerability may allow a highly...

K000161023: BIG-IP SIP profile vulnerability CVE-2026-40423

Security Advisory Description When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. CVE-2026-40423 Impact Traffic is disrupted while the TMM process restarts. This vulnerability allows a remote, unauthenticated...

K000161040: BIG-IP scripted monitor vulnerability CVE-2026-32673

Security Advisory Description A vulnerability exists in BIG-IP scripted monitors that may allow an authenticated attacker with the Resource Administrator or Administrator role to execute arbitrary system commands with higher privileges. In appliance mode deployments, a successful exploit can allo...

K000160945: BIG-IP DNS Cache vulnerability CVE-2026-39458

Security Advisory Description When a BIG-IP is configured with DNS caching such as a DNS profile with caching enabled, SSL Orchestrator, or Advanced WAF DoS protection, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. CVE-2026-39458 Impact Traffic is disrupted...

K000156761: BIG-IP and BIG-IQ Configuration utility vulnerability CVE-2026-41957

Security Advisory Description An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. CVE-2026-41957 Impact This vulnerability may allow an authenticated attacker with network access to the Configuration utility throu...

F5 BIG-IP 安全漏洞

F5 BIG-IP is an application delivery platform developed by F5 Technologies in the United States. It integrates functions such as network traffic management, application security management, and load balancing. There is a security vulnerability in F5 BIG-IP, which stems from the possibility for...

PT-2026-40650

Name of the Vulnerable Software and Affected Versions BIG-IP Virtual Edition VE affected versions not specified BIG-IP hardware platforms affected versions not specified Description Undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate when an SSL profile is configured...

CVE-2026-42408: Cleartext Storage of Sensitive Information

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...

PT-2026-40667

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.2 F5 BIG-IP versions prior to 17.5.1.6 F5 BIG-IP versions prior to 21.0.0.2 Description An authenticated attacker can send undisclosed requests to the 'iControl REST' endpoint, which may result in an...

PT-2026-40658

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.1 F5 BIG-IP versions prior to 17.5.1.4 F5 BIG-IP versions prior to 21.0.0.1 Description Undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate when PEM iRules are configured on a...

PT-2026-40666

Name of the Vulnerable Software and Affected Versions BIG-IP versions prior to 17.1.3.2 BIG-IP versions prior to 17.5.1.6 BIG-IP versions prior to 21.0.0.2 BIG-IQ versions prior to 17.1.3.2 BIG-IQ versions prior to 17.5.1.6 BIG-IQ versions prior to 21.0.0.2 Description Incorrect permission...

PT-2026-40674

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.1 F5 BIG-IP versions prior to 17.5.1.4 F5 BIG-IP versions prior to 21.0.0.1 Description A stack-based overflow exists in F5 BIG-IP, which is a condition where a program writes more data to a buffer located on...

PT-2026-40669

Name of the Vulnerable Software and Affected Versions BIG-IP versions prior to 17.1.3.2 BIG-IP versions prior to 17.5.1.6 BIG-IP versions prior to 21.0.0.2 BIG-IQ versions prior to 17.1.3.2 BIG-IQ versions prior to 17.5.1.6 BIG-IQ versions prior to 21.0.0.2 Description A highly privileged,...

CVE-2026-39458: Access of Uninitialized Pointer

When a BIG-IP is configured with DNS caching Such as a DNS profile with caching enabled, SSL Orchestrator, Advanced WAF DoS protection, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are n...

PT-2026-40656

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.1 F5 BIG-IP versions prior to 17.5.1.4 Description A cross-site request forgery CSRF issue exists in the dashboard of the BIG-IP Configuration utility. CSRF is a flaw that allows an attacker to induce a user...

CVE-2026-41218: Use After Free

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...

PT-2026-40636

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.2 F5 BIG-IP versions prior to 17.5.1.6 F5 BIG-IP versions prior to 21.0.0.2 Description An issue in scripted monitors allows an authenticated attacker with the Resource Administrator or Administrator role to...