# CVE-2026-103320: IBM WebSphere Application Server Liberty prior to 26.0.0.11 is affected by multiple vulnerabilities

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

IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 could allow an authenticated user with the Reader role to obtain sensitive information.

## Remediation

- fix: IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.



For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10:
· Apply Liberty Fix Pack  26.0.0.11 https://www.ibm.com/support/pages/node/7294658  (availability November 2026) or later fix pack. (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/7295268

## Affected products and versions

- IBM / WebSphere Application Server - Liberty: ≥ 17.0.0.3; ≤ 26.0.0.10 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N; source: CNA: ibm

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-200

## Exploit evidence

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

## References

- https://www.ibm.com/support/pages/node/7295268 (CNA: ibm; vendor-advisory, patch)

- https://www.ibm.com/support/pages/node/7295268 (psirt@us.ibm.com)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-103320; retrieved 2026-11-08; source updated 2026-11-08

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-103320; retrieved 2026-11-08; source updated 2026-11-08

Revision: 6d76c2ebbe8dd396aa3ce3dc32be4653a0679410938f5e39d6db89d87e635e51

Canonical: https://y2.dev/cve/CVE-2026-103320

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