CVE-2026-18846
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
I
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm i | 7.3 ≤ v ≤ 7.6 | — |
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