{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-7770", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-05-04T14:12:38.595Z", "datePublished": "2026-06-01T17:45:00.983Z", "dateUpdated": "2026-06-02T12:44:52.036Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-06-01T17:45:00.983Z"}, "title": "IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-74", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "type": "CWE"}]}], "affected": [{"vendor": "IBM", "product": "i Access Family", "versions": [{"status": "affected", "version": "1.1.5.0", "lessThanOrEqual": "1.1.9.12", "versionType": "semver"}], "cpes": ["cpe:2.3:a:ibm:i_access_family:1.1.5.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:i_access_family:1.1.9.12:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IBM i Access Family 1.1.5.0 through 1.1.9.12 IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured to listen for requests from IBM i Navigator.</p>"}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7274214", "tags": ["vendor-advisory", "patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "The issue can be fixed by upgrading to version 1.1.9.13 or later.\u00a0 \u00a0See https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09731 7.5SJ09729 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09729 7.4SJ09730 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09730 7.3SJ09732 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09732", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The issue can be fixed by upgrading to version 1.1.9.13 or later.\u00a0 \u00a0See <a href=\"https://www.ibm.com/support/pages/ibm-i-access-client-solutions-5733xj1\" rel=\"nofollow\">IBM i Access Client Solutions updates</a> for the latest version available.</p><div><div><table><colgroup><col/><col/><col/></colgroup><tbody><tr><td>Product(s)</td><td>Version(s)</td><td>Remediation/Fix/Instructions\u00a0</td></tr><tr><td>IBM i Access Client Solutions</td><td>1.1.5.0 - 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