Bug ID 1086221: Content-Type response header does not match documented in BIG-IP Next OpenAPI spec

Last Modified: Oct 19, 2025

Affected Product(s):
BIG_IP_NEXT(VE/HW) MA-All(all modules)

Known Affected Versions:
20.0.1, 20.0.2, 20.1.0, 20.1.1, 20.2.0, 20.2.1

Opened: Mar 10, 2022

Severity: 2-Critical

Symptoms

The value of the Content-Type response header does not match those documented in the OpenAPI spec for BIG-IP Next: The defined content-types for responses to GET /metrics/systems/{systemId} are: application/json and application/hal+json

Impact

Response does not contain the expected application/json and application/hal+json type. Instead, it contains 'Content-Type: text/plain'.

Conditions

Requesting Content-Type response header with the command GET /metrics/systems/{systemId}.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips