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.
PUBLISHED5.2ApplicationCWE-287
IBM i Improper Authentication
Problem type
Affected products
IBM
i
7.6 - AFFECTED
7.5 - AFFECTED
7.4 - AFFECTED
7.3 - AFFECTED
References
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-93744Click to expand
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"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"assignerShortName": "ibm",
"dateUpdated": "2026-10-20T21:41:32.677Z",
"dateReserved": "2026-09-18T16:03:13.170Z",
"datePublished": "2026-10-20T21:41:32.677Z",
"state": "PUBLISHED"
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"title": "IBM i Improper Authentication",
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"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.",
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"affected": [
{
"vendor": "IBM",
"product": "i",
"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:*:*:*:*:*:*:*"
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"versions": [
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"version": "7.6",
"status": "affected"
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"lang": "en",
"description": "CWE-287 Improper Authentication",
"cweId": "CWE-287",
"type": "CWE"
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"references": [
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"url": "https://www.ibm.com/support/pages/node/7292223",
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"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
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"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.",
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"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>"
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