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Cover image for CVE-2026-94127: F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability
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Posted on Originally published at scyscan.com

CVE-2026-94127: F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability

CVE ID

CVE-2026-94127

Vulnerability Name

F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability

  • Project: F5
  • Product: BIG-IP APM

Date

  • Date Added: 2026-09-22
  • Due Date: 2026-09-25

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

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.

Additional 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

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List

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