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CVE-2026-94127

BIG-IP APM OAuth vulnerability

CVSS 3.1 9.8 CRITICALCVSS 4.0 9.3 CRITICALCheck source for fixed versionsCISA KEV

Original advisory

cve-program · CVE-2026-94127

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94127

Published

BIG-IP

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "F5",
                    "product": "BIG-IP",
                    "modules": [
                        "APM"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "21.1.0",
                            "lessThan": "Hotfix-BIGIP-21.1.0.2.0.30.22-ENG",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "17.5.0",
                            "lessThan": "Hotfix-BIGIP-17.5.1.9.0.160.12-ENG",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "17.1.0",
                            "lessThan": "Hotfix-BIGIP-17.1.3.5.0.41.14-ENG",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                }

Original source record · Cite this exact observation · Complete original publisher JSON