Quick answers
- Is CVE-2026-93907 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-93907 being exploited in the wild.
- How severe is CVE-2026-93907?
- High severity, with a CVSS score of 8.1, published 13 October 2026.
- Which products and versions are affected?
- IBM WebSphere Application Server 8.5.0.0 through 8.5.5.31, 9.0.0.0 through 9.0.5.29.
- Is there a fix for CVE-2026-93907?
- Yes: fixed in WebSphere Application Server 9.0.5.30, 8.5.5.32 (targeted availability 4Q2026). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-93907 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-93907?
- Check whether you run IBM WebSphere Application 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: WebSphere Application Server 9.0.5.30, 8.5.5.32 (targeted availability 4Q2026)
Technical details
The vulnerability is an improper authentication flaw (CWE-287) in the CSIv2 inbound propagation handler that permits remote attackers to bypass authentication checks. The attack requires network access and elevated complexity conditions but no authentication or user interaction. A successful exploit grants the attacker full unauthorized access to the application server.
Affected products
- IBM WebSphere Application Server 8.5.0.0 through 8.5.5.31, 9.0.0.0 through 9.0.5.29
Timeline
- 2026-10-13: disclosed