What’s Vulnerable › Vulnerabilities
CVE-2026-18846: IBM i is Affected By Multiple Vulnerabilities in Host Servers
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-13 · updated 2026-08-17
- Weakness: CWE-787
Description
IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a buffer overflow from improperly validating client data. By sending malformed requests to one of the host servers, a remote attacker could leverage this vulnerability to cause a denial-of-server (DoS) for that server.
Affected products
- IBM i: from 7.3 through 7.6
References
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