IBM i is Affected By Multiple Vulnerabilities in Navigator for i

published 2026-08-13 2 mo ago modified 2026-08-19 2 mo ago also EUVD-2026-58399

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code or obtain sensitive information due to improper authentication.

Patch / fix

links 1

ibm.com/support/pages/node/7283292 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 mo ago (2026-08-14)

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.3	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

IBM i

Classification

Weakness

CWE-287 Improper Authentication

References

ibm.com /support/pages/node/7283292
vendor-advisory, patch

Sources

CVE List CVE-2026-17101
NVD CVE-2026-17101

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary