Quick answers
- Is CVE-2026-3628 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-3628 being exploited in the wild.
- How severe is CVE-2026-3628?
- Medium severity, with a CVSS score of 5.3, published 19 October 2026.
- Which products and versions are affected?
- IBM Concert 1.0 through 3.0.0.
- Is there a fix for CVE-2026-3628?
- 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-2026-3628 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-3628?
- Check whether you run IBM Concert 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
IBM Concert versions 1.0 through 3.0.0 fail to restrict access to database schema suggestions or autocomplete endpoints. An attacker can query these endpoints over the network without authentication to enumerate schema names, table structures, and field definitions. This information disclosure facilitates reconnaissance for subsequent data exfiltration or injection attacks.
Affected products
- IBM Concert 1.0 through 3.0.0
Timeline
- 2026-10-19: disclosed