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