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
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
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | ibm |
Weaknesses
- CWE-757 Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Affected Products
| Product | Versions |
|---|---|
iIBM |
|
References
- https://www.ibm.com/support/pages/node/7278992vendor-advisorypatch
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