Last Modified: Oct 15, 2025
Affected Product(s):
BIG-IP APM, Install/Upgrade
Known Affected Versions:
17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1
Fixed In:
17.5.1.2, 17.1.3
Opened: Mar 03, 2025 Severity: 3-Major Related Article:
K000150397
OAuth authentication fails with error error: Invalid json on oauth client/RS
OAuth authentication fails
OAuth client/RS receives JWT token which contains non-ASCII characters
None
17.1.2.1 code has libjson:isvalid() to check if the json is valid or not. this function cannot validate non ASCII characters and returns error. removed this function and added logic to check if valid json is received or not.