CVE-2026-17445

IBM i is Affected By Improper Validation Vulnerability in Line Printer Daemon []

Published Aug 12, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper validation of an attacker-supplied user profile name.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now. IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ10878 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10878 7.5SJ10917 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10917 7.4SJ10934 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10934 7.3SJ10935 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10935 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper validation of an attacker-supplied user profile name.
Title IBM i is Affected By Improper Validation Vulnerability in Line Printer Daemon []
First Time appeared Ibm
Ibm i
Weaknesses CWE-250
CPEs cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm i
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 14, 2026, 6:29 PM
Reserved
Jul 25, 2026, 4:54 PM
Status
Analyzed
Published
Aug 12, 2026, 8:17 PM
Modified
Oct 23, 2026, 7:10 PM