{"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.   See  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.   See <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 </td></tr><tr><td>IBM i Access Client Solutions</td><td>1.1.5.0 - 1.1.9.12</td><td><p>There are three ways to obtain the current version of IBM i Access Client Solutions:</p><p>1) IBM i Access Client Solutions is available at <a href=\"https://www.ibm.com/resources/mrs/assets?source=swg-ia\" rel=\"nofollow\">Downloads.</a></p><p>2) IBM i Access Client Solutions can be downloaded from the general IBM i software site at <a href=\"https://www.ibm.com/servers/eserver/ess/landing/index.html\" rel=\"nofollow\">Entitled Systems Support (ESS)</a>.  </p><ul><li>Available from ESS starting May 29, 2026. </li></ul><p>3) IBM i Access Client Solutions is available by applying a PTF to IBM i.   </p><div><div><table><colgroup><col/><col/><col/></colgroup><tbody><tr><td>IBM i Release</td><td>5770-SS1<br/>PTF Number(s)</td><td>PTF Download Link(s)</td></tr><tr><td>7.6</td><td>SJ09731</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09731\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09731</a></td></tr><tr><td>7.5</td><td>SJ09729</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09729\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09729</a></td></tr><tr><td>7.4</td><td>SJ09730</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09730\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09730</a></td></tr><tr><td>7.3</td><td>SJ09732</td><td><a href=\"https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09732\" rel=\"nofollow\">https://www.ibm.com/mysupport/s/fix-information?legacy=SJ09732</a></td></tr></tbody></table></div></div><p></p></td></tr></tbody></table></div></div><p></p>"}]}],"x_generator":{"engine":"ibm-cvegen"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T12:44:44.827143Z","id":"CVE-2026-7770","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-02T12:44:52.036Z"}}]}}