CVE-2026-18193 - Vulnerability Details - OpenCVE

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Ibm	I

No data.

No data.

No data.

References

Link	Providers
https://www.ibm.com/support/pages/node/7283283

History

Thu, 13 Aug 2026 21:00:00 +0000

Type	Values Removed	Values Added
Description		IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.
Title		IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime
First Time appeared		Ibm Ibm i
Weaknesses		CWE-269
CPEs		cpe:2.3:a:ibm:i:7.3.0:::::::* cpe:2.3:a:ibm:i:7.3:::::::* cpe:2.3:a:ibm:i:7.4.0:::::::* cpe:2.3:a:ibm:i:7.4:::::::* cpe:2.3:a:ibm:i:7.5.0:::::::* cpe:2.3:a:ibm:i:7.5:::::::* cpe:2.3:a:ibm:i:7.6.0:::::::* cpe:2.3:a:ibm:i:7.6:::::::*
Vendors & Products		Ibm Ibm i
References		https://www.ibm.com/support/pages/node/7283283
Metrics		cvssV3_1 `{'score': 8.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L'}`

MITRE

Status: PUBLISHED

Assigner: ibm

Published: 2026-08-13T20:42:46.558Z

Updated: 2026-08-13T20:42:46.558Z

Reserved: 2026-07-29T03:32:13.335Z

Link: CVE-2026-18193

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-13T21:17:44.700

Modified: 2026-08-13T21:17:44.700

Link: CVE-2026-18193

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18193", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-07-29T03:32:13.335Z", "datePublished": "2026-08-13T20:42:46.558Z", "dateUpdated": "2026-08-13T20:42:46.558Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-08-13T20:42:46.558Z"}, "title": "IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "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:7.6.0:*:*:*:*:*:*:*", "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:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7283283", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW", "baseSeverity": "HIGH", "baseScore": 8.9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L"}}], "solutions": [{"lang": "en", "value": "IBM strongly recommends addressing the vulnerability now.\n\nIBM i Release5770-JV1\nPTF Number(s)PTF Download Link(s)7.6SJ11037\nSJ11013\nSJ11065\nSJ11078 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11037 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11013 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11065 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11078 7.5SJ10990\nSJ11014\nSJ11042\nSJ11066\nSJ11080\n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10990 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11014 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11042 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11066 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11080 7.4SJ11016\nSJ11041\nSJ11064\nSJ11081 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11016 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11041 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11064 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11081 7.3SJ11040\nSJ11063\nSJ11079 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11040 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11063 \n https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11079 \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": "<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-JV1<br/>PTF Number(s)</strong></td><td><strong>PTF Download Link(s)</strong></td></tr></thead><tbody><tr><td>7.6</td><td>SJ11037<br/>SJ11013<br/>SJ11065<br/>SJ11078</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11037\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11037</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11013\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11013</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11065\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11065</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11078\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11078</a></td></tr><tr><td>7.5</td><td>SJ10990<br/>SJ11014<br/>SJ11042<br/>SJ11066<br/>SJ11080<br/></td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10990\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10990</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11014\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11014</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11042\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11042</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11066\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11066</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11080\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11080</a></td></tr><tr><td>7.4</td><td>SJ11016<br/>SJ11041<br/>SJ11064<br/>SJ11081</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11016\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11016</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11041\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11041</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11064\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11064</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11081\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11081</a></td></tr><tr><td>7.3</td><td>SJ11040<br/>SJ11063<br/>SJ11079</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11040\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11040</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11063\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11063</a><br/><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11079\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11079</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>"}]}]}}}