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PatchSiren cyber security CVE debrief

CVE-2026-41225 F5 CVE debrief

CVE-2026-41225 is a vulnerability in F5 iControl REST that allows a highly privileged, authenticated attacker with at least the Manager role to create configuration objects that enable running arbitrary commands. This issue affects multiple F5 products across various versions. The vulnerability has a CVSS score of 8.6 and is classified as HIGH severity. F5 has provided mitigation guidance for this issue.

Vendor
F5
Product
BIG-IP
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-13
Original CVE updated
2026-06-24
Advisory published
2026-05-13
Advisory updated
2026-06-24

Who should care

Organizations using F5 products, particularly those with iControl REST enabled, should be aware of this vulnerability. Highly privileged users with at least the Manager role are at risk. F5 customers should review their inventory and apply mitigations or patches as recommended by the vendor.

Technical summary

The vulnerability exists in iControl REST, allowing highly privileged authenticated attackers to create configuration objects that can run arbitrary commands. This affects various F5 products, including BIG-IP Access Policy Manager, Advanced Firewall Manager, Advanced Web Application Firewall, and others. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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.

Defensive priority

Highly privileged users with at least the Manager role in F5 iControl REST are at risk. Immediate review of user roles and access controls is recommended.

Recommended defensive actions

  • Review and limit highly privileged user access to iControl REST.
  • Apply patches or mitigations recommended by F5 for affected products.
  • Monitor iControl REST activity for suspicious command execution.
  • Implement compensating controls to detect and prevent arbitrary command execution.
  • Regularly update and patch F5 products to prevent exploitation.

Evidence notes

The CVE record and NVD detail provide comprehensive information on the vulnerability, including affected products and CVSS scoring. F5 has provided mitigation guidance via their support article K000160916.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41225 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41225

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-41225 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41225

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.