Last Modified: Feb 03, 2026
Affected Product(s):
BIG-IP ASM
Known Affected Versions:
16.1.6.1, 17.1.3, 17.1.3.1, 17.5.1.3, 17.5.1.4, 21.0.0, 21.0.0.1
Opened: Jan 30, 2026 Severity: 3-Major
WAF JSON schema validation fails with an error: "JSON data does not comply with JSON schema" due to "Validation Error: OneOf violation, JSON Tag: $.entity"
JSON schema validation fails and request gets blocked.
Using oneOf or anyOf, a ref schema is referenced multiple times from a oneOf/anyOf section.
Change schema structure so that the single ref schema is not referenced from multiple places under oneOf/anyOf.
None