cics transaction gateway vulnerabilities and fixes
Recent CVEs affecting cics transaction gateway, with upgrade or downgrade steps. 2 tracked.
Also searched as: cicstransactiongateway.
cics transaction gateway has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-03-16. Highest priority: CVE-2023-50310 (score 26/100).
- CVE-2026-0977 MEDIUM 5.1 DOWNGRADE IBM CICS Transaction Gateway for Multiplatforms 9.3 and 10.1 could allow a user to transfer or view files due
- CVE-2023-50310 MEDIUM 4.9 DOWNGRADE IBM CICS Transaction Gateway for Multiplatforms 9.2 and 9.3 transmits or stores authentication credentials, bu
FAQ
How do I fix cics transaction gateway vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is cics transaction gateway being exploited right now?
None of the tracked cics transaction gateway CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which cics transaction gateway CVE should I patch first?
CVE-2023-50310 currently ranks highest (26/100): IBM CICS Transaction Gateway for Multiplatforms 9.2 and 9.3 transmits or stores authentication credentials, bu.