F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability
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.
CISA required 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
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- F5
- Product
- BIG-IP APM
- CVSS
- 9.8
- CISA KEV
- added 22 Sep 2026, due 25 Sep 2026 (37d overdue)
- Exploitation
- observed in the wild
- Fix
- available
- Weakness
- CWE-122
- Exposure class
- Edge / VPN / firewall
Why it ranks 87 (Critical)
- CISA KEV listed, remediation due 2026-09-25
- CVSS 9.8 critical
- Exposed product class: edge / VPN / firewall
- Covered by 6 independent sources
- Fix available
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-94127 on this site · NVD · CVE.org · Vulnpedia · KEV
Related coverage
Other items that share a CVE or were clustered with this one.