# CVE-2026-17133: IBM App Connect Enterprise OS command injection

Source: https://junglewise.ai/threats/cve-2026-17133-ibm-app-connect-enterprise-os-command-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-14. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-17133 · Severity: high · CVSS 7.8 · Published 2026-09-14

IBM App Connect Enterprise is a middleware platform used for integrating business applications and services. A local attacker with user-level access can execute arbitrary code on the system by injecting malicious OS commands, potentially compromising application integrity and accessing sensitive data.

Technologies: [IBM App Connect Enterprise](https://junglewise.ai/threats/technologies/app-connect-enterprise). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-17133 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-17133 being exploited in the wild.

**How severe is CVE-2026-17133?** High severity, with a CVSS score of 7.8, published 14 September 2026.

**Which products and versions are affected?** IBM App Connect Enterprise 13.0.1.0 through 13.0.8.0, 12.0.1.0 through 12.0.12.27.

**Is there a fix for CVE-2026-17133?** A patch was published on 2026-09-07: Fix Pack 13.0.8.1 and 12.0.12.28 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-17133 attacked?** It is attacked with local access, in a hosted service.

**Am I affected by CVE-2026-17133?** Check whether you run IBM App Connect Enterprise at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an OS command injection flaw (CWE-78) caused by improper neutralization of special elements in OS commands. It requires local access and user interaction (non-privileged preconditions), allowing an attacker to execute arbitrary code with the privileges of the application process. The attack vector is local; network exploitation is not possible. IBM has released fixes in App Connect Enterprise 13.0.8.1 and 12.0.12.28 addressing the issue via APAR IT49855.

## Affected products

- IBM App Connect Enterprise 13.0.1.0 through 13.0.8.0, 12.0.1.0 through 12.0.12.27

## Timeline

- 2026-09-14: disclosed
- 2026-09-07: patched: Fix Pack 13.0.8.1 and 12.0.12.28

## References

- [https://www.ibm.com/support/pages/node/7286530](https://www.ibm.com/support/pages/node/7286530)

## Related threats

- [IBM App Connect Enterprise HTML injection in web UI](https://junglewise.ai/threats/cve-2026-18196-ibm-app-connect-enterprise-13-0-1-0-through-13-0-8-2-and-12-0-1-0)
- [IBM App Connect Enterprise content spoofing in error messages](https://junglewise.ai/threats/cve-2026-18195-ibm-app-connect-enterprise-13-0-1-0-through-13-0-8-2-and-12-0-1-0)
- [IBM App Connect Enterprise broken access control in REST API](https://junglewise.ai/threats/cve-2026-18093-ibm-app-connect-enterprise-13-0-1-0-through-13-0-8-2-could-allow)
- [IBM App Connect Enterprise arbitrary file write in archive extraction](https://junglewise.ai/threats/cve-2026-17437-ibm-app-connect-enterprise-13-0-1-0-through-13-0-8-2-and-12-0-1-0)
- [IBM App Connect Enterprise binding to unrestricted IP address](https://junglewise.ai/threats/cve-2026-92559-ibm-app-connect-enterprise-13-0-1-0-through-13-0-8-2-could-allow)