{"api_version":"1","generated_at":"2026-08-14T17:47:45+00:00","cve":"CVE-2026-18509","urls":{"html":"https://cve.report/CVE-2026-18509","api":"https://cve.report/api/cve/CVE-2026-18509.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-18509","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-18509"},"summary":{"title":"IBM i is Affected By A Prvilege Escalation Vulnerability []","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-08-13 21:17:45","updated_at":"2026-08-14 16:16:51"},"problem_types":["CWE-285","CWE-285 CWE-285 Improper Authorization"],"metrics":[{"version":"3.1","source":"psirt@us.ibm.com","type":"Secondary","score":"8.2","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.2","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283279","name":"https://www.ibm.com/support/pages/node/7283279","refsource":"psirt@us.ibm.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18509","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18509","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\n\n\nNavigator\n\nIBM i Release5770-SS1 \nPTF Number(s)PTF Download Link(s)7.6SJ10887 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11126 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11125 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11124 \n7.3SJ11128 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11128 \n https://www.ibm.com/mysupport/s/fix-information \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":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-18509","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-14T15:57:25.770601Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-14T15:57:35.259Z","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":"

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system.

"}],"value":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","description":"CWE-285 Improper Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-13T20:43:18.605Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7283279"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"

IBM strongly recommends addressing the vulnerability now.

Navigator

IBM i Release5770-SS1 
PTF Number(s)		PTF Download Link(s)
7.6SJ10887https://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

Debug Service

IBM i Release5770-SS1 
PTF Number(s)		PTF Download Link(s)
7.6SJ11126https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11126
7.5SJ11125https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11125
7.4SJ11124https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11124
7.3SJ11128https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11128

IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

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