BugZero | F5 BugID 765621 - POST request being rejected when using OAuth Resou...

F5 - Defect ID: 765621

POST request being rejected when using OAuth Resource Server mode

F5 - Defect ID: 765621

POST request being rejected when using OAuth Resource Server mode

Last updated on July 18th, 2026

BugZero Risk Score
6.7 Medium

Overall: 6.7

Severity: 7.3

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Access Policy Manager

Description

Symptoms

POST request is rejected.

Impact

The request is rejected.

Conditions

-- Using OAuth Resource Server access type. -- Client sends a large POST body.

Workaround

Increase the tmm.access.maxrequestbodysize sys db variable to be larger than the POST body size.

Fix Information

The system now supports larger POST requests in OAuth Resource Server mode.

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4

Fixed versions: 15.1.0, 13.1.3

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 15.1.0, 13.1.3

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F5 - Defect ID: 765621

POST request being rejected when using OAuth Resource Server mode

F5 - Defect ID: 765621

POST request being rejected when using OAuth Resource Server mode

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 765621

POST request being rejected when using OAuth Resource Server mode

F5 - Defect ID: 765621

POST request being rejected when using OAuth Resource Server mode

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.7 Medium

BugZero Risk Score
6.7 Medium