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IBM i is Affected By Denial of Service and Security Restriction Bypass Vulnerabilities in FTP [, ]

CVSS 3.1 5.4 MEDIUMCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-17262

Published

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to cause a denial of service due to improper validation of FTP authentication commands.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-17262

Published

i

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "IBM",
                    "product": "i",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "7.6"
                        },
                        {
                            "status": "affected",
                            "version": "7.5"
                        },
                        {
                            "status": "affected",
                            "version": "7.4"
                        },
                        {
                            "status": "affected",
                            "version": "7.3"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*",
                        "cpe:2.3:a:ibm:i:7.3.0:*:*:*:*:*:*:*"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 12 Nov 19:39 UTC · 274 of 275 readable · 272 fully read · documentation 464/469 current