Name: CVE-2026-11538: Improper Output Neutralization for Logs
Creator: Rapid7
Published: 2026-09-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-11538, CWE-117, CVSS 5.3, EPSS 0.00163

IBM WebSphere Application Server 9.0 and 8.5 is affected by a log injection vulnerability through crafted LTPA token cookies.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Ibm Was	—	Upgrade to minimal fix pack levels as required by interim fixes and then apply latest Interim Fix.	Sep 18, 2026	Sep 18, 2026

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CVSS Details

Covered by Rapid7

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