Quick answers
- Is CVE-2026-18152 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18152 being exploited in the wild.
- How severe is CVE-2026-18152?
- High severity, with a CVSS score of 7.4, published 22 September 2026.
- Which products and versions are affected?
- IBM Financial Transaction Manager.
- Is there a fix for CVE-2026-18152?
- 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-2026-18152 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-18152?
- Check whether you run IBM Financial Transaction Manager. 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 stems from improper verification of cryptographic signatures in FTM, allowing an attacker to forge validly-signed messages and bypass signature validation controls. The attack is network-accessible and requires no authentication or special preconditions. Successful exploitation grants the attacker the ability to fabricate trusted messages and compromise transaction integrity.
Affected products
- IBM Financial Transaction Manager
Timeline
- 2026-09-22: disclosed