BugZero | F5 BugID 1382141 - Query string gets stripped when bot defense redire...

F5 - Defect ID: 1382141

Query string gets stripped when bot defense redirects request via Location header, with versions that have the fix for ID890169

F5 - Defect ID: 1382141

Query string gets stripped when bot defense redirects request via Location header, with versions that have the fix for ID890169

Last updated on July 18th, 2026

BugZero Risk Score
6.9 Medium

Overall: 6.9

Severity: 7.3

Community: 4.2

Lifecycle: 8.3

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Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Application Security Manager

Description

Symptoms

The query parameter is missing in the Location header, after upgrading to BIG-IP to the versions that have the fix for ID890169, with a redirect challenge. This can cause 307 redirect requests from the BIG-IP system.

Impact

Dropping query string results in an unrecognized resource request to the server.

Conditions

The bot profile is attached to the virtual server.

Workaround

None

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 17.0.0, 17.0.0.1, 17.0.0.2, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4

Fixed versions: 17.5.0, 17.1.2, 16.1.6, 15.1.10.8

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 17.5.0, 17.1.2, 16.1.6, 15.1.10.8

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F5 - Defect ID: 1382141

Query string gets stripped when bot defense redirects request via Location header, with versions that have the fix for ID890169

F5 - Defect ID: 1382141

Query string gets stripped when bot defense redirects request via Location header, with versions that have the fix for ID890169

Last updated on July 18th, 2026

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1382141

Query string gets stripped when bot defense redirects request via Location header, with versions that have the fix for ID890169

F5 - Defect ID: 1382141

Query string gets stripped when bot defense redirects request via Location header, with versions that have the fix for ID890169

Last updated on July 18th, 2026

BugZero Risk Score6.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.9 Medium

BugZero Risk Score
6.9 Medium