Medium severity · published Oct 19, 2026
CVE-2026-4418
IBM Cloud Pak System HTML Injection
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
IBM Cloud Pak System 2.3.6.0, and 2.3.6.1 is vulnerable to HTML injection. A remotely authenticated attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
Cloud Pak System · IBM
2.3.6.0; 2.3.6.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4418
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4418
www.ibm.com
https://www.ibm.com/support/pages/node/7290183
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