Auth Bypass in F5 BIGIP allows Config Mod for Arbitrary Code Exec
CVE-2026-32643 Published on May 13, 2026
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.
Vulnerability Analysis
CVE-2026-32643 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Execution with Unnecessary Privileges
The software performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
Products Associated with CVE-2026-32643
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Affected Versions
F5 BIG-IP:- Version 21.1.0 and below * is unaffected.
- Version 21.0.0 and below 21.0.0.2 is affected.
- Version 17.5.0 and below 17.5.1.6 is affected.
- Version 17.1.0 and below 17.1.3.2 is affected.
- Version 16.1.0 and below * is affected.
- Version 8.4.0 and below * is affected.