Risk Letters

Exploited vulnerability

CVE-2026-94127

TLP:CLEAR

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.

Facts

  • Vendor: F5
  • Product: BIG-IP APM
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 26.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 22 September 2026
  • First known exploitation: 22 September 2026
  • CISA's deadline for US federal agencies: 25 September 2026
  • Weakness: CWE-122
  • First seen by Risk Letters: 22 September 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD