This weekWhy this label: EPSS 25%

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

Product: F5 BIG-IP APM
Added to CISA KEV: September 22, 2026
Deadline for US federal agencies: September 25, 2026
Known ransomware use: Not known
EPSS, next 30 days: 25%, higher than 97% of scored CVEs (Oct 25, 2026)
Weakness: CWE-122

What CISA says

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.

What CISA asks you to do

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.

Sources

Also exploited recently

Data from CISA's Known Exploited Vulnerabilities catalog (public domain) and FIRST EPSS, refreshed hourly. Rheono did not find or test this vulnerability; this page summarizes public sources.