{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93744","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-09-18T16:03:13.170Z","datePublished":"2026-10-20T21:41:32.677Z","dateUpdated":"2026-10-20T21:41:32.677Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-10-20T21:41:32.677Z"},"title":"IBM i Improper Authentication","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-287","description":"CWE-287 Improper Authentication","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:7.5:*:*:*:*:*:*:*","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 could allow an unathenticated remote attacker to bypass security restrictions due to improper access control. By sending a specially crafted HTTP request to any URL within the Navigator application prior to authentication, a bad actor could exploit this vulnerability to alter server-side session security state.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM i 7.3, 7.4, 7.5, and 7.6 could allow an unathenticated remote attacker to bypass security restrictions due to improper access control. By sending a specially crafted HTTP request to any URL within the Navigator application prior to authentication, a bad actor could exploit this vulnerability to alter server-side session security state.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7292223","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}}],"solutions":[{"lang":"en","value":"IBM i Release5770-SS1 Option 3 \nPTF Number(s)PTF Download Link(s)7.6SJ11740 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11740 7.5SJ11745 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11745 7.4SJ11746 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11746 7.3SJ11747 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11747 \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 Option 3 <br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>SJ11740</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11740\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11740</a></td></tr><tr><td>7.5</td><td>SJ11745</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11745\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11745</a></td></tr><tr><td>7.4</td><td>SJ11746</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11746\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11746</a></td></tr><tr><td>7.3</td><td>SJ11747</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11747\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11747</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>"}]}]}}}