CVE-2026-4942

Summary

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.

Affected Software

VendorProductVersion RangeStatus
IBMi7.6affected
IBMi7.5affected
IBMi7.4affected
IBMi7.3affected

Weaknesses

  • CWE-757: CWE-757 Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

References