Quick answers
- Is CVE-2026-17354 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-17354 being exploited in the wild.
- How severe is CVE-2026-17354?
- Critical severity, with a CVSS score of 9.9, published 7 November 2026.
- Which products and versions are affected?
- IBM API Connect 12.1.0.0 through 12.1.1.2.
- Is there a fix for CVE-2026-17354?
- Yes: fixed in IBM API Connect 12.1.1.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-17354 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-17354?
- Check whether you run IBM API Connect 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: IBM API Connect 12.1.1.3
Technical details
A path traversal vulnerability in IBM API Connect allows authenticated attackers to bypass file system restrictions and write arbitrary files through improper input validation. The vulnerability is reachable over the network via an authenticated user session without requiring additional interaction. Successful exploitation grants write access to sensitive locations on the file system, potentially enabling code execution and full system compromise.
Affected products
- IBM API Connect 12.1.0.0 through 12.1.1.2
Timeline
- 2026-11-07: disclosed