CVE-2026-4942
Medium
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to send a specifically crafted message and downgrade the Transport Layer Security (TLS) protocol to a version disabled in the server configuration.
SeverityMedium
CVSS5.9
Exploit probability—
Product
I
PublishedJul 17, 2026
First seenJul 17, 2026
Weakness typeCWE-757CWE-757
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm i | 7.3, 7.4, 7.5, 7.6 | — |
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