CVE-2026-11538

Low

Description

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

SeverityLow
CVSS3.7
Exploit probability—
ProductIbm Websphere Application Server
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-117CWE-117

How to fix

Update
  • ibm websphere_application_server8.5.5.31, 9.0.5.29 or later

Affected products

ProductAffected versionsFixed in
ibm websphere_application_server8.5 ≤ v < 8.5.5.31, 9.0 ≤ v < 9.0.5.298.5.5.31, 9.0.5.29

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