F5 BIG-IP APM
YES - ON THE CISA KEV LIST
CVE-2026-94127
F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability
47 days past due
F5: 8 entries (0.4% of all KEV entries are from this vendor); 2 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
F5 BIG-IP APM contains a heap-based buffer overflow vulnerability when access policy and an OAuth profile are configured on a virtual server. This vulnerability could allow an unauthenticated attacker to perform remote code execution.
Required action (CISA)
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes
For temporary mitigation to allow for proactive forensic triage, apply the vendor-provided iRule. Once completed, install the final vendor patch as soon as possible. For more information please see: https://my.f5.com/manage/s/article/K000162605 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-94127
References
Other KEV entries for this vendor: F5
- CVE-2025-53521 - BIG-IP (2026-03-27)
- CVE-2023-46748 - BIG-IP Configuration Utility (2023-10-31)
- CVE-2023-46747 - BIG-IP Configuration Utility (2023-10-31)
- CVE-2022-1388 - BIG-IP (2022-05-10)
- CVE-2021-22991 - BIG-IP Traffic Management Microkernel (2022-01-18)
- CVE-2020-5902 - BIG-IP (2021-11-03)
- CVE-2021-22986 - BIG-IP and BIG-IQ Centralized Management (2021-11-03)
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