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CVE-2026-94127

⛔ critical
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Summary

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 remot

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.

CVSS Score
9.8
Critical
EPSS Score
2.2
Exploit Probability
Published Date
2026-09-22
First Seen: 2026-09-24
📊 Relative Risk Intelligence

This CVE is Very High Risk - more severe than 90.6% of all 365,863 vulnerabilities in our database.

#34,454
Top 10% most severe
Severity Percentile
đŸŽ¯ CISA SSVC Assessment Updated: Sep 22, 2026
🔍 Exploitation Status
Active
Exploits detected in the wild
⚙ī¸ Automatable
YES
Can be exploited automatically
đŸ’Ĩ Technical Impact
Total
Complete system compromise possible
🏆 Discovered By
F5
SSVC data provided by CISA
Last Modified 2026-09-23
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Vector 4.0 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
CWE IDs (Weakness Types)
CWE-122

đŸ“Ļ Affected Products 3

Vendor Product Status Affected Versions
f5 big-ip_access_policy_manager Affected
> 17.0.0 < 17.1.3
f5 big-ip_access_policy_manager Affected
> 17.5.0 < 17.5.1
f5 big-ip_access_policy_manager Affected
v21.1.0

🔗 References 2

https://my.f5.com/manage/s/article/K000162605
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities...
US Government Resource

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-63020 ℹī¸ low 3.1 0.2 A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error mes... 2026-09-02
CVE-2026-40699 đŸ”ļ medium 6.5 0.3 A vulnerability exists in the undisclosed pages in the Configuration utility that may allow a low-privileged authenticat... 2026-05-13
CVE-2026-40703 đŸ”ļ medium 5.4 0.1 A cross-site request forgery (CSRF) vulnerability exists in the dashboard of the BIG-IP Configuration utility.  Note: S... 2026-05-13
CVE-2026-41217 ⚠ī¸ high 7.9 0.1 A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with ... 2026-05-13
CVE-2026-41218 ⚠ī¸ high 7.5 0.3 When BIG-IP PEM iRules are configured on a virtual server (iRules using commands starting with CLASSIFICATION::, CLASSIF... 2026-05-13
CVE-2026-41219 đŸ”ļ medium 6.5 0.3 An improper sanitization vulnerability exists in the BIG-IP QKView utility that allows a low-privileged attacker to read... 2026-05-13
These CVEs affect the same products