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CVE-2026-18847IBM i is Affected By Multiple Vulnerabilities in Navigator for i

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote unauthenticated attacker to harvest credentials due to spoofing of Navigator for i.

9.8 CRITICALEPSS 0.24%Not in KEVNVD: Analyzed

Last updated: 2026-10-23 20:10 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Aug 12, 2026
Assigner: ibm

Affected

i (IBM)

Versions: 7.6 · 7.5

All affected versions →

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

0.24%chance of exploitation in 30 days

Higher than 16.06% of CVEs

CVSS 3.1 · NVD

9.8Critical

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · ibm (CNA)

8.8High

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8	HIGH	3.1ibm (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-18847
Status: Analyzed
Assigner (CNA): ibm
Published: Aug 12, 2026
Last modified: 2026-10-23 20:10 UTC
Weaknesses: CWE-346 · Origin Validation Error

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 12:25 UTC.