File Upload Vulnerability in IBM i Navigator for Certain Versions
CVE-2026-18515

4.3MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
14 September 2026

What is CVE-2026-18515?

A file upload vulnerability exists in IBM i Navigator that may allow remote authenticated attackers to place files onto the file system. This occurs in specific versions of IBM i when file placement should be restricted by Navigator's configuration settings. If the attacking profile has permissions, it can exploit this vulnerability to upload files to unintended locations, potentially compromising system integrity.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7286974
vendor-advisorypatch

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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