Vulnerability in F5 BIG
Risk
- Remote arbitrary code execution
Affected systems
- BIG-IP APM versions 17.1.x prior to 17.1.3 without the Hotfix-BIGIP 17.1.3.5.0.41.14-ENG.iso
- BIG-IP APM versions 17.5.x prior to 17.5.1 without the Hotfix-BIGIP-17.5.1.9.0.160.12-ENG.iso
- BIG-IP APM versions 21.x prior to 21.1.0 without the Hotfix-BIGIP-21.1.0.2.0.30.22-ENG.iso
Summary
A vulnerability has been discovered in F5 BIG-IP. It allows an attacker to cause remote arbitrary code execution.
The vendor indicates that the vulnerability CVE-2026-94127 is actively being exploited. Indicators of compromise are available in the vendor's advisory.
Solutions
Refer to the vendor's security bulletin to obtain the patches (see Documentation section).
Documentation
- F5 Security Bulletin K000162605 of September 22, 2026 https://my.f5.com/manage/s/article/K000162605
- CVE Reference CVE-2026-94127 https://www.cve.org/CVERecord?id=CVE-2026-94127
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