CVE-2026-94127

CRITICAL CVSS 9.8
Published: 2026-09-22
Modified: 2026-09-23
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Description

When a BIG-IP APM access policy and an OAuth profile are configured on a virtual server, specific malicious traffic can lead to remote code execution (RCE). This vulnerability is only present when BIG-IP APM is configured as an OAuth Authorization Server. Deployments using APM strictly as an OAuth Client / Resource Server (without OAuth authorization server profiles configured) are not affected by this vulnerability. Impact: This vulnerability allows an unauthenticated attacker to perform remote code execution. The BIG-IP system in Appliance mode is also vulnerable. This is a data plane issue; there is no control plane exposure. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Quick Facts
CVE ID CVE-2026-94127
CVSS Score 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published 2026-09-22
Exploited Yes
CISA KEV Yes
PoC Not public
Affected Products
  • f5 / big-ip_access_policy_manager
  • f5 / big-ip_access_policy_manager
  • f5 / big-ip_access_policy_manager 21.1.0