CVE-2026-18318

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18318", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-29T18:20:55.996Z", "datePublished": "2026-10-12T23:22:30.726Z", "dateUpdated": "2026-10-13T13:48:37.339Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-12T23:22:30.726Z"}, "title": "IBM i Information Disclosure", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-307", "description": "CWE-307 Improper Restriction of Excessive Authentication Attempts", "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\u00a0could allow a remote attacker to perform brute-force attacks to obtain credentials due to improper authentication.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM i 7.3, 7.4, 7.5, and 7.6&nbsp;could allow a remote attacker to perform brute-force attacks to obtain credentials due to improper authentication.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7290096", "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": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}], "solutions": [{"lang": "en", "value": "IBM i Release5770-999\u00a0\nPTF Number(s)PTF Download Link(s)7.6MJ11636\nMJ11441\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11636 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11441 7.5MJ11635\nMJ11439\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11635 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11439 7.4MJ11634\nMJ11438\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11634 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11438 \n7.3MJ11633\nMJ11448\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11633 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11448 \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>5770-999\u00a0<br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>MJ11636<br/>MJ11441<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11636\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11636</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11441\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11441</a></td></tr><tr><td>7.5</td><td>MJ11635<br/>MJ11439<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11635\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11635</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11439\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11439</a></td></tr><tr><td>7.4</td><td>MJ11634<br/>MJ11438<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11634\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11634</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11438\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11438</a><br/></td></tr><tr><td>7.3</td><td>MJ11633<br/>MJ11448<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11633\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11633</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11448\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11448</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": {"id": "CVE-2026-18318", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-13T13:20:20.420552Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T13:48:37.339Z"}}]}}

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Number(s)PTF Download Link(s)7.6MJ11636\nMJ11441\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11636 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11441 7.5MJ11635\nMJ11439\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11635 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11439 7.4MJ11634\nMJ11438\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11634 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11438 \n7.3MJ11633\nMJ11448\n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11633 \n https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11448 \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", "value": "<div><table><colgroup><col/><col/><col/></colgroup><thead><tr><td><strong>IBM i Release</strong></td><td><strong>5770-999\u00a0<br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>MJ11636<br/>MJ11441<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11636\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11636</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11441\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11441</a></td></tr><tr><td>7.5</td><td>MJ11635<br/>MJ11439<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11635\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11635</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11439\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11439</a></td></tr><tr><td>7.4</td><td>MJ11634<br/>MJ11438<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11634\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11634</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11438\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11438</a><br/></td></tr><tr><td>7.3</td><td>MJ11633<br/>MJ11448<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11633\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11633</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11448\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11448</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>", "base64": false}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7290096", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en", "value": "IBM i 7.3, 7.4, 7.5, and 7.6\u00a0could allow a remote attacker to perform brute-force attacks to obtain credentials due to improper authentication.", "supportingMedia": [{"type": "text/html", "value": "<p>IBM i 7.3, 7.4, 7.5, and 7.6&nbsp;could allow a remote attacker to perform brute-force attacks to obtain credentials due to improper authentication.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-307", "description": "CWE-307 Improper Restriction of Excessive Authentication Attempts"}]}], "providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-12T23:22:30.726Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18318", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-13T13:20:20.420552Z"}}}], 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