Bug ID 2137909: Portal Access: unwanted decoding html entities in attribute values of HTML tags

Last Modified: Dec 13, 2025

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
17.5.1, 17.5.1.2, 17.5.1.3, 21.0.0

Opened: Oct 21, 2025

Severity: 3-Major

Symptoms

HTML Entities in Attribute values in HTML tags are decoded when they shouldn't be.

Impact

Unwanted Application errors

Conditions

Portal Access is enabled

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips