# CVE-2026-101117: IBM WebSphere eXtremes Scale Liberty deployment is affected by Cross Site Scripting(XSS) attacks.

Status: published. Published: 2026-11-08. Updated: 2026-11-08.

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.2.2 could allow a remote attacker to bypass security restrictions due to improper Content Security Policy configuration.

## Remediation

- fix: IBM strongly recommends addressing the vulnerability now.

ProductVersion(s)APARRemediation/First FixIBM WebSphere eXtreme Scale8.6.1.0 - 8.6.2.2PH73641

For older versions, upgrade to latest fixpack 8.6.2.2 and then apply the PH73641 iFix. If you are using 8.6.2.2 directly apply the PH73641 iFix.



 Recommended Fixes page for WebSphere eXtreme Scale http://www.ibm.com/support/docview.wss (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7293764

## Affected products and versions

- IBM / WebSphere Extreme Scale: ≥ 8.6.1.0; ≤ 8.6.2.2 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 9.1 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N; source: CNA: ibm

- CVSS 3.1: 9.1 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-16

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.ibm.com/support/pages/node/7293764 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7293764 (psirt@us.ibm.com)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-101117; retrieved 2026-11-08; source updated 2026-11-08

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-101117; retrieved 2026-11-08; source updated 2026-11-08

Revision: 85d895c037aa7db34d399fa5325e7ff74fc9691d072f36733ef2f551b188b992

Canonical: https://y2.dev/cve/CVE-2026-101117

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