IBMCVE-2026-4942
IBM i: remote attacker could send a specifically crafted message
Medium5.9CVE-2026-4942 · Published Jul 17, 2026 · updated Aug 12, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| i Product | <= 7.6 | No fix yet |
| <= 7.5 | No fix yet | |
| <= 7.4 | No fix yet | |
| <= 7.3 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-757
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 17 | IBM Langflow OSS: insecure direct object reference | High8.1 | No fix yet |
| Jul 17 | IBM Langflow OSS: hard-coded credentials | Critical9.8 | No fix yet |
| Jul 17 | IBM Langflow OSS: remote code execution | Critical9.8 | No fix yet |
| Jul 17 | IBM Langflow OSS: privilege escalation | Critical9.9 | No fix yet |
| Jul 17 | IBM Langflow OSS: improper input validation | Critical9.9 | No fix yet |
| Jul 17 | IBM Security Verify Access: information disclosure | Medium5.3 | No fix yet |