EUVD Vulnerability Catalog
Actively Exploited (KEV)
EUVD-2026-84427
Severity: CRITICAL
Base Score: 9.3
CVSS Version: 4.0
Vulnerability Description
When a BIG-IP APM access policy and an OAuth profile is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).
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.
CVSS Vector Analysis
Below is the complete, human-readable breakdown of the CVSS metric string: 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
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Attack Vector (AV): Network
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Attack Complexity (AC): Low
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Attack Requirements (AT): None
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Privileges Required (PR): None
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User Interaction (UI): None
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Vulnerability Confidentiality Impact (VC): High
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Vulnerability Integrity Impact (VI): High
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Vulnerability Availability Impact (VA): High
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Subsequent Confidentiality Impact (SC): None
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Subsequent Integrity Impact (SI): None
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Subsequent Availability Impact (SA): None
Affected Vendors & Systems
Vendor
F5
References & Advisory Links
Metadata Profile
Database Authority
European Union Agency for Cybersecurity (ENISA) EUVD
Assigner
f5
EPSS Probability
0
Known Aliases
CVE-2026-94127
GHSA-qppv-6jrg-hxq4
Published On
2026-09-22
Last Updated
2026-09-22
Exploited Since
2026-09-22