# CVE-2026-101117: IBM WebSphere Extreme Scale security policy bypass

Source: https://junglewise.ai/threats/cve-2026-101117-ibm-websphere-extreme-scale-8-6-1-0-through-8-6-2-2-could-allow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-08. Updated: 2026-11-08  
License: CC BY 4.0 with a link back

CVE-2026-101117 · Severity: critical · CVSS 9.1 · Published 2026-11-08

IBM WebSphere Extreme Scale is a distributed caching and data grid product used to accelerate application performance. A remote attacker can bypass security restrictions due to improper Content Security Policy configuration, potentially allowing them to inject and execute malicious code without authentication. This could lead to data theft, system compromise, or unauthorized modifications.

Technologies: [IBM Websphere Extreme Scale](https://junglewise.ai/threats/technologies/websphere-extreme-scale). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-101117 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101117 being exploited in the wild.

**How severe is CVE-2026-101117?** Critical severity, with a CVSS score of 9.1, published 8 November 2026.

**Which products and versions are affected?** IBM Websphere Extreme Scale 8.6.1.0 through 8.6.2.2.

**Is there a fix for CVE-2026-101117?** Yes: fixed in WebSphere Extreme Scale 8.6.2.2 with iFix PH73641; for older versions, upgrade to 8.6.2.2 and apply iFix PH73641. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-101117 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-101117?** Check whether you run IBM Websphere Extreme Scale 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 Extreme Scale 8.6.2.2 with iFix PH73641; for older versions, upgrade to 8.6.2.2 and apply iFix PH73641

## Technical details

WebSphere Extreme Scale versions 8.6.1.0 through 8.6.2.2 are vulnerable to a configuration flaw in Content Security Policy (CSP) that allows remote attackers to bypass security controls. The vulnerability has a network attack vector with no privileges or user interaction required, granting the attacker high confidentiality and integrity impact. The fix is available via iFix PH73641.

## Affected products

- IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.2.2

## Timeline

- 2026-10-23: disclosed

## References

- [https://www.ibm.com/support/pages/node/7293764](https://www.ibm.com/support/pages/node/7293764)

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