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Vulnerability record · CVE-2026-42406 · published 13 May 2026

CVE-2026-42406: F5 big-ip access policy manager vulnerability

F5 · Big Ip Access Policy Manager

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands.     Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

8.5 CVSS 4.0 High EPSS 0.25% · top 85.1% CWE-267 · CWE-267
8.5CVSS 4.0 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
22Affected product versions listed by NVD
1References
23 Jun 2026Last modified by NVD

Description

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands.     Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/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:

Affected products

22 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://my.f5.com/manage/s/article/K000160971 MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-42406), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.