CVE-2026-18515 — MEDIUM (4.3)

Vulnerability Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to place files into the file system with Navigator for i when they should be blocked by Navigator configuration. This could allow attackers to upload files onto the system to places the Navigator support did not intend, but only if the profile could already do that by itself.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-22

References

https://www.ibm.com/support/pages/node/7286974

FAQ

What is CVE-2026-18515?

CVE-2026-18515 is a vulnerability with a CVSS score of 4.3 (MEDIUM). IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to place files into the file system with Navigator for i when they should be blocked by Navigator configuration. This could all...

How severe is CVE-2026-18515?

CVE-2026-18515 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18515?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.