CVE-2026-4942

IBM i is Affected by Algorithm Downgrade in Transport Layer Security []

State
Published
Severity
5.9 Medium
Published
Jul 17, 2026
Updated
Jul 20, 2026
Reserved
Mar 26, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nibm

Weaknesses

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

Affected Products

ProductVersions
iIBM
  • 7.6Affected
  • 7.5Affected
  • 7.4Affected
  • 7.3Affected

References

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