Vulnerability · Published Aug 12, 2026 · Assigned by ibm
CVE-2026-18099IBM i is Affected By Multiple Vulnerabilities in Navigator for i
High 8.9
In plain English
A high-severity cross-site scripting in i from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)8.9High
Exploit odds (30 days)0.3%top 74.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary script code due to improper neutralization of user-controlled input.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
References
- https://www.ibm.com/support/pages/node/7283292 vendor-advisory, patch