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IBM EUVDEUVD-2026-77780

| CVE-2026-18065 MEDIUM
Authentication Bypass by Spoofing (CWE-290)
2026-09-14 ibm GHSA-g6pp-gcgv-5h84
5.3
CVSS 3.1 · Vendor: ibm
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Severity by source

Vendor (ibm) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (ibm) · only source for this CVE.

CVSS VectorVendor: ibm

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Sep 15, 2026 - 10:44 vuln.today

DescriptionCVE.org

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to gain access to sensitive information through session IP binding bypass in Navigator for i.

AnalysisAI

IBM i Navigator for i — the browser-based administration console shipped with IBM i 7.3, 7.4, 7.5 and 7.6 — can be made to ignore the binding that ties an administrative session to the client's source IP address, allowing a remote, unauthenticated attacker (CVSS PR:N/UI:N) to reach sensitive information that should have been confined to a legitimate session. IBM scores the exposure 5.3 with confidentiality-only impact (C:L/I:N/A:N), consistent with a targeted information disclosure rather than a full compromise of the host. …

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EUVD-2026-77780 vulnerability details – vuln.today

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