CVE-2026-4942
IBM i is Affected by Algorithm Downgrade in Transport Layer Security []
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-757 |
| Vendor | ibm |
| Product | i |
| Published | Jul 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
IBM / i
7.6 7.5 7.4 7.3