Bug ID 1826013: BIG-IP as Oauth C/RS "Invalid json error" after upgrade to 17.1.2.1 when json response has non ASCII characters

Last Modified: Jun 30, 2025

Affected Product(s):
BIG-IP APM, Install/Upgrade(all modules)

Known Affected Versions:
17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1

Opened: Mar 03, 2025

Severity: 3-Major

Related Article: K000150397

Symptoms

OAuth authentication fails with error error: Invalid json on oauth client/RS

Impact

OAuth authentication fails

Conditions

OAuth client/RS receives JWT token which contains non-ASCII characters

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips