{"api_version":"1","generated_at":"2026-08-20T13:28:55+00:00","cve":"CVE-2026-18246","urls":{"html":"https://cve.report/CVE-2026-18246","api":"https://cve.report/api/cve/CVE-2026-18246.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-18246","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-18246"},"summary":{"title":"IBM i is Affected By security restrictions bypass in Navigator for i","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to an interpretation conflict in the multipart parser.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-08-12 17:17:25","updated_at":"2026-08-17 14:50:52"},"problem_types":["CWE-436","CWE-436 CWE-436 Interpretation Conflict"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"psirt@us.ibm.com","type":"Secondary","score":"3","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N","baseScore":3,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"3","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283292","name":"https://www.ibm.com/support/pages/node/7283292","refsource":"psirt@us.ibm.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18246","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18246","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"i","version":"affected 7.6","platforms":[]},{"source":"CNA","vendor":"IBM","product":"i","version":"affected 7.5","platforms":[]},{"source":"CNA","vendor":"IBM","product":"i","version":"affected 7.4","platforms":[]},{"source":"CNA","vendor":"IBM","product":"i","version":"affected 7.3","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"IBM strongly recommends addressing the vulnerability now.\n\nIBM i Release5770-SS1 Option 3\nPTF Number(s)PTF Download Link(s)7.6SJ10887 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10887 7.5SJ10888 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10888 7.4SJ10890 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10890 7.3SJ10891 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10891 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"18246","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ibm","cpe5":"i","cpe6":"7.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"18246","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ibm","cpe5":"i","cpe6":"7.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"18246","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ibm","cpe5":"i","cpe6":"7.5","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"18246","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ibm","cpe5":"i","cpe6":"7.6","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"18246","cve":"CVE-2026-18246","epss":"0.002140000","percentile":"0.119930000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:46"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-18246","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-13T16:26:36.329048Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-13T16:26:44.959Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"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:*:*:*:*:*:*:*"],"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"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to an interpretation conflict in the multipart parser.</p>"}],"value":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to an interpretation conflict in the multipart parser."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-436","description":"CWE-436 Interpretation Conflict","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-12T16:55:44.118Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7283292"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p><strong>IBM strongly recommends addressing the vulnerability now.</strong></p><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>SJ10887</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10887\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10887</a></td></tr><tr><td>7.5</td><td>SJ10888</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10888\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10888</a></td></tr><tr><td>7.4</td><td>SJ10890</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10890\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10890</a></td></tr><tr><td>7.3</td><td>SJ10891</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10891\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10891</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>"}],"value":"IBM strongly recommends addressing the vulnerability now.\n\nIBM i Release5770-SS1 Option 3\nPTF Number(s)PTF Download Link(s)7.6SJ10887 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10887 7.5SJ10888 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10888 7.4SJ10890 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10890 7.3SJ10891 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10891 \n\n\n\nIBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products."}],"title":"IBM i is Affected By security restrictions bypass in Navigator for i"}},"cveMetadata":{"assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","assignerShortName":"ibm","cveId":"CVE-2026-18246","datePublished":"2026-08-12T16:55:44.118Z","dateReserved":"2026-07-29T14:53:53.973Z","dateUpdated":"2026-08-13T16:26:44.959Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-12 17:17:25","lastModifiedDate":"2026-08-17 14:50:52","problem_types":["CWE-436","CWE-436 CWE-436 Interpretation Conflict"],"metrics":{"cvssMetricV31":[{"source":"psirt@us.ibm.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N","baseScore":3,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.3,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-13T16:26:36.329048Z","id":"CVE-2026-18246","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*","matchCriteriaId":"9A49E8C5-7967-42AE-A787-C533D24A63D7"},{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*","matchCriteriaId":"92D03306-B6C9-403E-99A2-CE9D8DC3B482"},{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*","matchCriteriaId":"F7CCB5BF-08EF-472F-A663-5DE270234F10"},{"vulnerable":true,"criteria":"cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*","matchCriteriaId":"AFFF96C2-7E0F-4DF9-AF51-3EE357D51095"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"18246","Ordinal":"1","Title":"IBM i is Affected By security restrictions bypass in Navigator f","CVE":"CVE-2026-18246","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"18246","Ordinal":"1","NoteData":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to an interpretation conflict in the multipart parser.","Type":"Description","Title":"IBM i is Affected By security restrictions bypass in Navigator f"}]}}}