Quick answers
- Is CVE-2026-18170 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18170 being exploited in the wild.
- How severe is CVE-2026-18170?
- Medium severity, with a CVSS score of 6.5, published 22 September 2026.
- Which products and versions are affected?
- IBM Financial Transaction Manager 4.x and possibly others.
- Is there a fix for CVE-2026-18170?
- 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-2026-18170 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-18170?
- Check whether you run IBM Financial Transaction Manager 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
CVE-2026-18170 is an unauthenticated network-accessible denial of service vulnerability in IBM FTM caused by unbounded resource allocation without throttling or rate limiting. An attacker can exploit this by sending crafted requests that exhaust memory, CPU, or connection resources, causing the application to become unresponsive. The vulnerability requires network access but no authentication or user interaction.
Affected products
- IBM Financial Transaction Manager 4.x and possibly others
Timeline
- 2026-09-22: disclosed