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High7.2F5

High [CVE-2026-20916] BIG-IQ: authenticated iControl REST user with low privileges

This high-severity F5 advisory covers CVE-2026-20916 affecting BIG-IQ.

CVE-2026-20916 Published May 13, 2026Updated by vendor Jun 29, 2026
Affected products & platforms
F5BIG-IQ
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Summary

An authenticated iControl REST user with low privileges can create or modify arbitrary files through an undisclosed iControl REST endpoint on the BIG-IQ system. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

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