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CVE-2026-20916 - Vulnerability Analysis

HighCVSS: 8.1

Last Updated: May 13, 2026

BIG-IQ - Unrestricted File Upload

Published: May 13, 2026Updated: May 13, 2026Remote Exploitable

Overview

BIG-IQ contains an unrestricted file write vulnerability caused by an undisclosed iControl REST endpoint, letting authenticated low-privilege users create or modify arbitrary files, exploit requires authentication.

Severity & Score

Severity: High

CVSS Score: 8.1

Impact

Authenticated low-privilege users can create or modify arbitrary files, potentially leading to system compromise or data tampering.

Mitigation

Update to the latest supported version.

References

https://my.f5.com/manage/s/article/K000158029

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-20916
Severity: High
CVSS Score: 8.1
Type: unrestricted_file_upload
Status: unconfirmed

CWE

CWE-22

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H