{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-17491", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-26T00:13:19.301Z", "datePublished": "2026-10-16T18:38:02.880Z", "dateUpdated": "2026-10-16T18:38:57.085Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-16T18:38:57.085Z"}, "title": "IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSH", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "type": "CWE"}]}], "affected": [{"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:7.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM i 7.3, 7.4, 7.5, and 7.6 is could allow a remote authenticated attacker to bypass security restrictions due to improper enforcement of the ChrootDirectory configuration directive.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM i 7.3, 7.4, 7.5, and 7.6 is could allow a remote authenticated attacker to bypass security restrictions due to improper enforcement of the ChrootDirectory configuration directive.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7292273", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}}], "solutions": [{"lang": "en", "value": "IBM i Release5733-SC1\u00a0\nPTF Number(s)PTF Download Link(s)7.6SJ11849 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11849 7.5SJ11850 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11850 7.4SJ11852 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852 7.3SJ11852 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852 \n\n\n\n\n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div><table><colgroup><col/><col/><col/></colgroup><thead><tr><td><strong>IBM i Release</strong></td><td><strong>5733-SC1\u00a0<br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>SJ11849</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11849\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11849</a></td></tr><tr><td>7.5</td><td>SJ11850</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11850\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11850</a></td></tr><tr><td>7.4</td><td>SJ11852</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852</a></td></tr><tr><td>7.3</td><td>SJ11852</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852</a></td></tr></tbody></table></div><p></p><p>IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.</p>"}]}]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*"], "product": "i", "vendor": "IBM", "versions": [{"status": "affected", "version": "7.6"}, {"status": "affected", "version": "7.5"}, {"status": "affected", "version": "7.4"}, {"status": "affected", "version": "7.3"}]}], "source": "psirt@us.ibm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM i 7.3, 7.4, 7.5, and 7.6 is could allow a remote authenticated attacker to bypass security restrictions due to improper enforcement of the ChrootDirectory configuration directive."}], "id": "CVE-2026-17491", "lastModified": "2026-10-16T19:58:42.740", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-10-16T19:17:06.557", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7292273"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

{}

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