{"api_version":"1","generated_at":"2026-09-11T06:25:45+00:00","cve":"CVE-2026-78543","urls":{"html":"https://cve.report/CVE-2026-78543","api":"https://cve.report/api/cve/CVE-2026-78543.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-78543","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-78543"},"summary":{"title":"IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs","description":"IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote attacker to cause a denial of service due to an infinite loop.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-09-04 16:17:59","updated_at":"2026-09-09 14:50:54"},"problem_types":["CWE-835","CWE-835 CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"psirt@us.ibm.com","type":"Secondary","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7286372","name":"https://www.ibm.com/support/pages/node/7286372","refsource":"psirt@us.ibm.com","tags":["Patch","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-78543","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78543","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"App Connect Enterprise","version":"affected 13.0.1.0 13.0.8.1 semver","platforms":[]},{"source":"CNA","vendor":"IBM","product":"App Connect Enterprise","version":"affected 12.0.1.0 12.0.12.28 semver","platforms":[]},{"source":"CNA","vendor":"IBM","product":"Integration Bus for z/OS","version":"affected 10.1.0.0 10.1.0.7 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS\n\nAffected Product(s)Version(s)APAR\n\nRemediation / Fixes\n\nIBM App Connect Enterprise13.0.1.0 - 13.0.8.1IT49773\n\nThe APAR (IT49773) is available from \n\n\n\n IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2 https://www.ibm.com/support/pages/node/7285177 \n\nIBM App Connect Enterprise12.0.1.0 - 12.0.12.28IT49773\n\nThe APAR (IT49773) is available from \n\n\n\n IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29 https://www.ibm.com/support/pages/node/7284253 \n\nIBM Integration Bus for z/OS10.1.0.0 - 10.1.0.7IT49773\n\nInterim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from\n\n\n\n IBM Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"78543","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ibm","cpe5":"app_connect_enterprise","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"78543","cve":"CVE-2026-78543","epss":"0.003570000","percentile":"0.287380000","score_date":"2026-09-07","updated_at":"2026-09-08 00:05:26"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-78543","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-04T17:41:36.354396Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-04T17:41:45.416Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:ibm:app_connect_enterprise:13.0.1.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:app_connect_enterprise:13.0.8.1:*:*:*:*:*:*:*","cpe:2.3:a:ibm:app_connect_enterprise:12.0.1.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:app_connect_enterprise:12.0.12.28:*:*:*:*:*:*:*"],"product":"App Connect Enterprise","vendor":"IBM","versions":[{"lessThanOrEqual":"13.0.8.1","status":"affected","version":"13.0.1.0","versionType":"semver"},{"lessThanOrEqual":"12.0.12.28","status":"affected","version":"12.0.1.0","versionType":"semver"}]},{"cpes":["cpe:2.3:a:ibm:integration_bus_for_zos:10.1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:integration_bus_for_zos:10.1.0.7:*:*:*:*:*:*:*"],"product":"Integration Bus for z/OS","vendor":"IBM","versions":[{"lessThanOrEqual":"10.1.0.7","status":"affected","version":"10.1.0.0","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote attacker to cause a denial of service due to an infinite loop.</p>"}],"value":"IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote attacker to cause a denial of service due to an infinite loop."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","description":"CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-04T15:10:34.607Z","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7286372"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p><strong>IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS</strong></p><div><table><colgroup><col/><col/><col/><col/></colgroup><tbody><tr><td>Affected Product(s)</td><td>Version(s)</td><td>APAR</td><td><p>Remediation / Fixes</p></td></tr><tr><td>IBM App Connect Enterprise</td><td>13.0.1.0 - 13.0.8.1</td><td>IT49773</td><td><p>The APAR (IT49773) is available from </p><p><a href=\"https://www.ibm.com/support/pages/node/7285177\" rel=\"noopener noreferrer nofollow\">IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2</a></p></td></tr><tr><td>IBM App Connect Enterprise</td><td>12.0.1.0 - 12.0.12.28</td><td>IT49773</td><td><p>The APAR (IT49773) is available from </p><p><a href=\"https://www.ibm.com/support/pages/node/7284253\" rel=\"noopener noreferrer nofollow\">IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29</a></p></td></tr><tr><td>IBM Integration Bus for z/OS</td><td>10.1.0.0 - 10.1.0.7</td><td>IT49773</td><td><p>Interim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from</p><p><a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere&amp;product=ibm/WebSphere/Integration+Bus&amp;release=10.1.0.7&amp;platform=All&amp;function=aparId&amp;apars=IT49773\" rel=\"nofollow\">IBM Fix Central</a></p></td></tr></tbody></table></div>"}],"value":"IBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS\n\nAffected Product(s)Version(s)APAR\n\nRemediation / Fixes\n\nIBM App Connect Enterprise13.0.1.0 - 13.0.8.1IT49773\n\nThe APAR (IT49773) is available from \n\n\n\n IBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2 https://www.ibm.com/support/pages/node/7285177 \n\nIBM App Connect Enterprise12.0.1.0 - 12.0.12.28IT49773\n\nThe APAR (IT49773) is available from \n\n\n\n IBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29 https://www.ibm.com/support/pages/node/7284253 \n\nIBM Integration Bus for z/OS10.1.0.0 - 10.1.0.7IT49773\n\nInterim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from\n\n\n\n IBM Fix Central https://www.ibm.com/support/fixcentral/swg/selectFixes"}],"title":"IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs"}},"cveMetadata":{"assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","assignerShortName":"ibm","cveId":"CVE-2026-78543","datePublished":"2026-09-04T15:10:34.607Z","dateReserved":"2026-08-24T18:18:20.075Z","dateUpdated":"2026-09-04T17:41:45.416Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 16:17:59","lastModifiedDate":"2026-09-09 14:50:54","problem_types":["CWE-835","CWE-835 CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"],"metrics":{"cvssMetricV31":[{"source":"psirt@us.ibm.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-04T17:41:36.354396Z","id":"CVE-2026-78543","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*","versionStartIncluding":"12.0.1.0","versionEndExcluding":"12.0.12.29","matchCriteriaId":"F4EB200D-89F9-4102-8255-28ACB2627DD6"},{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:app_connect_enterprise:*:*:*:*:*:*:*:*","versionStartIncluding":"13.0.1.0","versionEndExcluding":"13.0.8.2","matchCriteriaId":"890447E7-5268-4645-899D-C97671DE6EE5"},{"vulnerable":true,"criteria":"cpe:2.3:a:ibm:integration_bus_for_z\\/os:*:*:*:*:*:*:*:*","versionStartIncluding":"10.1.0.0","versionEndIncluding":"10.1.0.7","matchCriteriaId":"FACEF8F4-50A8-4829-9152-08941B2814D3"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"78543","Ordinal":"1","Title":"IBM App Connect Enterprise and IBM Integration Bus for z/OS Adap","CVE":"CVE-2026-78543","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"78543","Ordinal":"1","NoteData":"IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 could allow a remote attacker to cause a denial of service due to an infinite loop.","Type":"Description","Title":"IBM App Connect Enterprise and IBM Integration Bus for z/OS Adap"}]}}}