CVE-2026-4942

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-25)

CWE

CWE-757

Published

2026-07-17

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

Affected

• ibm:i

References

• https://www.ibm.com/support/pages/node/7278992

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