IBM i PTF Guide, Volume 28, Number 17

May 4, 2026 Doug Bidwell

We are in the middle of a house move right now, so the IBM i PTF Guide is running a little bit behind as we box and tape and lift and stack. In this week’s issue, we have two security vulnerabilities right off the bat.

First, we have Security Bulletin: IBM WebSphere Application Server Liberty is affected by identity spoofing (CVE-2026-3621), which you can find out more about at this link. The issue affects WebSphere Application Server – Liberty versions 17.0.0.3 through 26.0.

Second, we have Security Bulletin: IBM i is Affected by Improper Handling of Special Elements and Improper Neutralization of Null Byte Vulnerabilities in OpenSSH [CVE-2025-61984, CVE-2025-61985], with more information about this issue available here. The remediations/fixes by release and by PTF patch are as follows:

IBM i 7.6: SJ09226
IBM i 7.5: SJ09227
IBM i 7.4: SJ09257
IBM i 7.3: SJ09257
IBM i 7.2: SJ09257

Here is the rundown of PTF Groups by IBM i release level since we last published:

PTF Groups 7.6:

QMGTOOLS
Rational Developer for i

PTF Groups 7.5:

QMGTOOLS
Rational Developer for i

PTF Groups 7.4:

QMGTOOLS
Rational Developer for i

PTF Groups 7.3:

QMGTOOLS
Rational Developer for i

PTF Groups 7.2:

None

Tip O’ The Week: The System Planning Tool, version 6.26.104.0, is now available for download at https://www.ibm.com/support/pages/node/632531.

New (or Updated) links added to the ‘Links’ tab in The Guide this week:

None

New (or Updated) links added to the ‘QMGtools’ tab in The Guide this week:

SMTP: IBM i Simple Mail Transfer Protocol (SMTP) support for OAuth 2.0, 7267763

New (or Updated) links added to the ‘ACS_NAV’ tab in The Guide this week:

None

New (or Updated) links added to the ‘Prtr Links’ tab in The Guide this week:

None

New (or Updated) links Redbooks added this week:

None

New (or Updated) stuff added to REF tab in The Guide this week:

None

New (or Updated) links in the TAPE tab in The Guide this week:

None

New (or Updated) links in the WAS tab in The Guide this week:

None

The Guide at a glance: There were new defectives the week of 04/25/26. Defective PTF rundown – the latest defective for each release. Click on the Defective PTF link for your release in the Guide:

	Defect		Defective	APAR		Fixing
	Date		PTF				PTF
	--------	--------	---------	-----------------------	
7.6	10/04/26	SJ08676	        DT467722	SJ09203	(When available)(read the recommendations)
								Read the cover letter-prerequisites!		

7.5	10/04/26	SJ08676	        DT467722	SJ09202 (When available)(read the recommendations)
				 				Read the cover letter-prerequisites!                   
						 
7.4	10/04/26	SJ08675	        DT467722	SJ09201	Same as above, Please read the Cover letter - 
								(When available)(read the recommendations)
								Read the cover letter-prerequisites!

7.3	10/04/26	SJ08674	        DT467722	SJ09200 (When available)(read the recommendations)

Be sure to access the link in The Guide for further details.

Below is the usual archive of the IBM i PTF Guide to help you work through the PTFs in chronological order:

April 25, 2026: Volume 28, Number 17

April 18, 2026: Volume 28, Number 16

April 11, 2026: Volume 28, Number 15

April 4, 2026: Volume 28, Number 14

March 28, 2026: Volume 28, Number 13

March 23, 2026: Volume 28, Number 12

March 14, 2026: Volume 28, Number 11

March 7, 2026: Volume 28, Number 10

February 28, 2026: Volume 28, Number 09

February 21, 2026: Volume 28, Number 08