{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16898","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-07-24T05:38:28.286Z","datePublished":"2026-08-13T19:52:02.751Z","dateUpdated":"2026-08-14T16:45:30.115Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-08-13T19:52:02.751Z"},"title":"IBM i is Affected By Multiple Vulnerabilities in Network Authentication Service","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-73","description":"CWE-73 External Control of File Name or Path","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:7.6.0:*:*:*:*:*:*:*","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:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to change the ownership of arbitrary files due to improper validation of an attacker-controlled file path.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to change the ownership of arbitrary files due to improper validation of an attacker-controlled file path.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283293","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}],"solutions":[{"lang":"en","value":"IBM i Release5770-SS1\nPTF Number(s)PTF Download Link(s)7.6SJ11094 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11094 7.5SJ11093\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11093 7.4SJ11095\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11095 7.3SJ11096\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11096 \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>5770-SS1<br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>SJ11094</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11094\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11094</a></td></tr><tr><td>7.5</td><td>SJ11093<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11090\" rel=\"noopener noreferrer nofollow\"></a><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11093\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11093</a></td></tr><tr><td>7.4</td><td>SJ11095<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11091\" rel=\"noopener noreferrer nofollow\"></a><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11095\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11095</a></td></tr><tr><td>7.3</td><td>SJ11096<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11096\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11096</a></td></tr></tbody></table></div><p>IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.</p>"}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T16:44:57.405413Z","id":"CVE-2026-16898","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-14T16:45:30.115Z"}}]}}