Vulnerability-Lookup

CVE-2026-78543 (GCVE-0-2026-78543)

Vulnerability from cvelistv5 – Published: 2026-09-04 15:10 – Updated: 2026-09-04 17:41

Title

IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs

Summary

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.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-04 17:41 UTC

CWE

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

ibm mitre root

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7286372	vendor-advisorypatch

Impacted products

2 products

Vendor	Product	Version	CPE status
IBM	App Connect Enterprise	Affected: 13.0.1.0 , ≤ 13.0.8.1 (semver) Affected: 12.0.1.0 , ≤ 12.0.12.28 (semver) 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:::::::*
IBM	Integration Bus for z/OS	Affected: 10.1.0.0 , ≤ 10.1.0.7 (semver) 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:::::::*

Show details on NVD website

JSON

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                "id": "CVE-2026-78543",
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                "timestamp": "2026-09-04T17:41:36.354396Z",
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              "value": "\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eAffected Product(s)\u003c/td\u003e\u003ctd\u003eVersion(s)\u003c/td\u003e\u003ctd\u003eAPAR\u003c/td\u003e\u003ctd\u003e\u003cp\u003eRemediation / Fixes\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM App Connect Enterprise\u003c/td\u003e\u003ctd\u003e13.0.1.0 - 13.0.8.1\u003c/td\u003e\u003ctd\u003eIT49773\u003c/td\u003e\u003ctd\u003e\u003cp\u003eThe APAR (IT49773) is available from\u00a0\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7285177\" rel=\"noopener noreferrer nofollow\"\u003eIBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM App Connect Enterprise\u003c/td\u003e\u003ctd\u003e12.0.1.0 - 12.0.12.28\u003c/td\u003e\u003ctd\u003eIT49773\u003c/td\u003e\u003ctd\u003e\u003cp\u003eThe APAR (IT49773) is available from\u00a0\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/pages/node/7284253\" rel=\"noopener noreferrer nofollow\"\u003eIBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM Integration Bus for z/OS\u003c/td\u003e\u003ctd\u003e10.1.0.0 - 10.1.0.7\u003c/td\u003e\u003ctd\u003eIT49773\u003c/td\u003e\u003ctd\u003e\u003cp\u003eInterim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from\u003c/p\u003e\u003cp\u003e\u003ca href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere\u0026amp;product=ibm/WebSphere/Integration+Bus\u0026amp;release=10.1.0.7\u0026amp;platform=All\u0026amp;function=aparId\u0026amp;apars=IT49773\" rel=\"nofollow\"\u003eIBM Fix Central\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e"
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    "datePublished": "2026-09-04T15:10:34.607Z",
    "dateReserved": "2026-08-24T18:18:20.075Z",
    "dateUpdated": "2026-09-04T17:41:45.416Z",
    "state": "PUBLISHED"
  },
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13.0.8.1IT49773\\n\\nThe APAR (IT49773) is available from\\u00a0\\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\\u00a0\\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\", \"supportingMedia\": [{\"type\": \"text/html\", \"base64\": false, \"value\": \"\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability/vulnerabilities now by applying the appropriate fix to IBM App Connect Enterprise and IBM Integration Bus for z/OS\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ccolgroup\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003ccol/\u003e\u003c/colgroup\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eAffected Product(s)\u003c/td\u003e\u003ctd\u003eVersion(s)\u003c/td\u003e\u003ctd\u003eAPAR\u003c/td\u003e\u003ctd\u003e\u003cp\u003eRemediation / Fixes\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM App Connect Enterprise\u003c/td\u003e\u003ctd\u003e13.0.1.0 - 13.0.8.1\u003c/td\u003e\u003ctd\u003eIT49773\u003c/td\u003e\u003ctd\u003e\u003cp\u003eThe APAR (IT49773) is available from\\u00a0\u003c/p\u003e\u003cp\u003e\u003ca href=\\\"https://www.ibm.com/support/pages/node/7285177\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003eIBM App Connect Enterprise v13- Fix Pack Release 13.0.8.2\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM App Connect Enterprise\u003c/td\u003e\u003ctd\u003e12.0.1.0 - 12.0.12.28\u003c/td\u003e\u003ctd\u003eIT49773\u003c/td\u003e\u003ctd\u003e\u003cp\u003eThe APAR (IT49773) is available from\\u00a0\u003c/p\u003e\u003cp\u003e\u003ca href=\\\"https://www.ibm.com/support/pages/node/7284253\\\" rel=\\\"noopener noreferrer nofollow\\\"\u003eIBM App Connect Enterprise v12- Fix Pack Release 12.0.12.29\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM Integration Bus for z/OS\u003c/td\u003e\u003ctd\u003e10.1.0.0 - 10.1.0.7\u003c/td\u003e\u003ctd\u003eIT49773\u003c/td\u003e\u003ctd\u003e\u003cp\u003eInterim Fix for APAR (IT49773) is available to apply to 10.1.0.7 from\u003c/p\u003e\u003cp\u003e\u003ca href=\\\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm%7EWebSphere\u0026amp;product=ibm/WebSphere/Integration+Bus\u0026amp;release=10.1.0.7\u0026amp;platform=All\u0026amp;function=aparId\u0026amp;apars=IT49773\\\" rel=\\\"nofollow\\\"\u003eIBM Fix Central\u003c/a\u003e\u003c/p\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\"}]}]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-78543\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-04T17:41:36.354396Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-04T17:41:42.057Z\"}}]}",
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}

FKIE_CVE-2026-78543

Vulnerability from fkie_nvd - Published: 2026-09-04 16:17 - Updated: 2026-09-04 18:17

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7286372

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "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"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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."
    }
  ],
  "id": "CVE-2026-78543",
  "lastModified": "2026-09-04T18:17:56.203",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-78543",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-04T17:41:36.354396Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-04T16:17:59.690",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "url": "https://www.ibm.com/support/pages/node/7286372"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

GHSA-3X6Q-QHF5-8M4J

Vulnerability from github – Published: 2026-09-04 18:31 – Updated: 2026-09-04 18:31

Details

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2026-78543"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-04T16:17:59Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-3x6q-qhf5-8m4j",
  "modified": "2026-09-04T18:31:24Z",
  "published": "2026-09-04T18:31:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78543"
    },
    {
      "type": "WEB",
      "url": "https://www.ibm.com/support/pages/node/7286372"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-78543 (GCVE-0-2026-78543)

FKIE_CVE-2026-78543

GHSA-3X6Q-QHF5-8M4J

Tags

Sightings

Nomenclature