5.3Medium
Ibm App Connect Enterprise
CVE-2026-17443
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 authenticated attacker to obtain sensitive information due to an XML external entity (XXE) injection flaw.
What this means for your business
- It affects Ibm App Connect Enterprise. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, with an ordinary user login, and without anyone at your company clicking anything.
What to do
- 1Check whether your company or your suppliers run Ibm App Connect Enterprise, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 5.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N- Weakness
- CWE-611
- Assigned by
- psirt@us.ibm.com
Dates
- Published
- 2026-09-04
- Last modified
- 2026-09-09
- Sources
- NVD
Affected products
- Ibm App Connect Enterprise12.0.1.0 - 12.0.12.29, 13.0.1.0 - 13.0.8.2
- Ibm Integration Bus For Z\/Os10.1.0.0 - 10.1.0.7
As listed in the NVD configuration data. Not a statement about your estate.