What’s Vulnerable › Vulnerabilities
CVE-2026-4942: IBM i is Affected by Algorithm Downgrade in Transport Layer Security []
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-17 · updated 2026-10-24
- Weakness: CWE-757
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.
Affected products
- IBM i: 7.3, 7.4, 7.5, 7.6
References
Get alerted when CVE-2026-4942 or the next vulnerability affects your stack