Quick answers
- Is CVE-2026-17209 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-17209 being exploited in the wild.
- How severe is CVE-2026-17209?
- Medium severity, with a CVSS score of 6.3, published 14 August 2026.
- Which products and versions are affected?
- IBM Db2 Mirror For I 7.4, 7.5, 7.6.
- Is there a fix for CVE-2026-17209?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-17209 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-17209?
- Check whether you run IBM Db2 Mirror For I 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
This is a reflected or stored cross-site scripting (XSS) vulnerability in IBM Db2 Mirror for i's web GUI (CWE-79), where user input is not properly neutralized during web page generation. The vulnerability requires authentication to the system and user interaction (clicking a malicious link or opening a crafted page), but allows an attacker to execute arbitrary JavaScript in the victim's browser context. An authenticated attacker can craft a malicious request that, when clicked by a targeted user, injects scripts that steal session cookies, perform unauthorized actions, or deface the interface. IBM has published a security bulletin addressing this and multiple related vulnerabilities in versions 7.4, 7.5, and 7.6.
Affected products
- IBM Db2 Mirror for i 7.4, 7.5, 7.6
Timeline
- 2026-08-14: disclosed