PT-2026-55583 · Undefined · Undefined
Published
2026-07-03
·
Updated
2026-07-03
·
CVE-2026-4942
None
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IBM i Transport Layer Security (TLS) has a vulnerability related to the selection of a less-secure algorithm during negotiation, identified as CVE-2026-4942.
Vulnerability Details
- CVEID: CVE-2026-4942
- Description: #IBMi could allow a remote attacker to send a specifically crafted message, potentially downgrading the Transport Layer Security (TLS) protocol to a version that is disabled in the server configuration.
- CWE: CWE-757: Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Remediation/Fixes
- 7.6 MJ09141
- 7.5 MJ09140
- 7.4 MJ09139
- 7.3 MJ09138
IBM recommends that users running unsupported versions of the affected products upgrade to a supported, fixed version.
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Related Identifiers
Affected Products
Undefined