IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEs
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-835.
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | App Connect Enterprise | 13.0.1.0 – 13.0.8.1; 12.0.1.0 – 12.0.12.28 | — | No fix listed | CNA |
| IBM | Integration Bus for z/OS | 10.1.0.0 – 10.1.0.7 | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
IBM App Connect Enterprise, Integration Bus for z/OS — ibm.com/support/pages/node/7286372
9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2026-56459 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEsPriority LOW 34
- TI-2026-14334 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEsPriority LOW 29
- TI-2026-14333 IBM App Connect Enterprise and IBM Integration Bus for z/OS Adapter nodes are vulnerable to multiple CVEsPriority LOW 29
Timeline
- 2026-10-02 Threatist record created from CVE-2026-78543
- 2026-10-03 Alias added: GHSA-3x6q-qhf5-8m4j
References
More IBM App Connect Enterprise vulnerabilities
- TI-2026-12988 IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-14904 IBM App Connect Enterprise denial of service CVSS 3.1CRITICAL 9.1
- TI-2026-12258 IBM App Connect Enterprise is vulnerable to an arbitrary file read and arbitrary changes to configuration settings CVSS 3.1CRITICAL 9.8
- TI-2026-52916 IBM App Connect Enterprise is vulnerable to privilege escalation and Denial of Service CVSS 3.1HIGH 8.8
- TI-2026-12257 IBM App Connect Enterprise is vulnerable to an arbitrary file read and arbitrary changes to configuration settings CVSS 3.1HIGH 7.5
- TI-2026-11020 IBM App Connect Enterprise is vulnerable to Confidentiality disclosure on Discovery Connector nodes CVSS 3.1HIGH 7.5
Sources
- CVE-2026-78543 · CVE Program
- CVE-2026-78543 · NVD
- FIRST EPSS
- GHSA-3x6q-qhf5-8m4j · GitHub Advisory Database · CC BY 4.0
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