CVE-2026-39459 – F5 BIG-IP

CVSS 7.2 IMPORTANT

“High-impact flaws in BIG-IP can open the door to system compromise.”

This F5 BIG-IP patch addresses multiple high-severity vulnerabilities affecting core system components. These issues could allow attackers to compromise system integrity, access sensitive data, or disrupt services depending on configuration and exposure. Given BIG-IP’s role in traffic management and security, these vulnerabilities carry significant operational risk.

CVE-2026-41957 has a CVSS score of 8.8, which is High severity.
CVE-2026-34176 has a CVSS score of 8.7, which is High severity.
CVE-2026-39459 has a CVSS score of 7.2, which is High severity.

No verified evidence of active exploitation or public proof-of-concept code has been identified. However, the high severity ratings and potential impact on critical infrastructure components make timely patching essential.

Key Details

Affected Product
F5 Big-ip Access Policy Manager
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
CWE Classification
CWE-272
Patch this CVE on all your endpoints in under 5 minutes. First 200 endpoints are free forever, scale as needed.