CVE-2026-40699

BIG-IP Configuration utility vulnerability

A vulnerability exists in the undisclosed pages in the Configuration utility that may allow a low-privileged authenticated attacker to access to undisclosed sensitive information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-40631

BIG-IP iControl SOAP vulnerability

An authenticated attacker with the Resource Administrator or Administrator role can modify configuration objects through iControl SOAP resulting in privilege escalation.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-41217

BIG-IP tmsh vulnerability

A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-40462

iControl REST and tmsh vulnerability

Incorrect permission assignment vulnerabilities exist in iControl REST and TMOS shell (tmsh) undisclosed command which may allow an authenticated attacker to view sensitive information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-42924

BIG-IP iControl SOAP vulnerability

An authenticated attacker with the Resource Administrator or Administrator role can create SNMP configuration objects through iControl SOAP resulting in privilege escalation.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-42937

iControl REST and tmsh vulnerability

Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) arp and ndp commands, and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view adjacent network information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 20 more

CVE-2026-42406

BIG-IP and BIG-IQ privilege escalation vulnerability

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands.     Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 21 more

CVE-2026-42930

Appliance mode iControl REST vulnerability

When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-40435

BIG-IP httpd access control vulnerability

When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

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.

CVSS 4.0 · 6.7 Medium EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

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 evaluated.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-41219

BIG-IP QKView vulnerability

An improper sanitization vulnerability exists in the BIG-IP QKView utility that allows a low-privileged attacker to read sensitive information from a QKView file.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 21 more

CVE-2026-34019

BIG-IP BFD vulnerability

When Bidirectional Forwarding Detection (BFD) is configured in Static and Dynamic routing protocols, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to stop processing BFD packets and cause the configured routing protocol to fail over.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-40067

BIG-IP APM Vulnerability

When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager

CVE-2026-41954

iControl REST and tmsh vulnerability

Sensitive information disclosure vulnerability exists in the undisclosed iControl REST endpoint and TMOS Shell (tmsh) command which may allow an authenticated attacker with resource administrator role privileges to view sensitive information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 21 more

CVE-2026-40698

iControl REST and TMSH vulnerability

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can create SNMP configuration objects through iControl REST or the TMOS shell (tmsh) resulting in privilege escalation.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 21 more

CVE-2026-41953

BIG-IP Privilege Escalation vulnerability

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.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-41225

iControl REST vulnerability

A vulnerability exists in iControl REST where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more

CVE-2026-41959

iControl and tmsh REST vulnerability

Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) network diagnostics commands and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view the network status of destination systems.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 21 more

CVE-2026-32673

BIG-IP scripted monitor vulnerability

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 allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

F5

Products

Big-ip Big-ip Access Policy Manager Big-ip Advanced Firewall Manager and 19 more