CVE-2026-94127
BIG-IP APM OAuth vulnerability
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.
- Affected
- F5 · BIG-IP
- CVSS v4.0 F5
- 9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 F5
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 2.23% chance of exploitation in the next 30 days, 82nd percentile
- CISA KEV
- added 2026-09-22
- Published
- 2026-09-22
- Updated
- 2026-09-23
Proof-of-concept exploits (2)
- FurkanKAYAPINAR/CVE-2026-941270★ · 2026-09-23
- watchtowrlabs/watchTowr-vs-f5-bigip-PreAuth-RCE-CVE-2026-9412715★ · 2026-09-24