Quick answers
- Is CVE-2026-117545 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-117545 being exploited in the wild.
- How severe is CVE-2026-117545?
- High severity, with a CVSS score of 8.8, published 8 November 2026.
- Which products and versions are affected?
- IBM webMethods Integration Server 12.1.
- Is there a fix for CVE-2026-117545?
- Yes: fixed in IS_12.1_Core_Fix1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-117545 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-117545?
- Check whether you run IBM webMethods Integration Server 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.
How to fix
- Fixed in: IS_12.1_Core_Fix1 or later
Technical details
IBM webMethods Integration Server 12.1 suffers from improper authentication (CWE-287) that allows a remote authenticated attacker to bypass the two-factor authentication mechanism. The vulnerability requires an existing valid account (PR:L) but then grants the attacker full confidentiality, integrity, and availability impact over the service. A fix is available via core patch IS_12.1_Core_Fix1 or later.
Affected products
- IBM webMethods Integration Server 12.1
Timeline
- 2026-11-03: advisory