CVE-2024-22354: IBM WebSphere Application Server XML external entity injection

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-17 · updated 2026-06-17
Weakness: CWE-611

Description

IBM WebSphere Application Server 8.5, 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 24.0.0.5 are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information, consume memory resources, or to conduct a server-side request forgery attack. IBM X-Force ID: 280401.

Affected products

IBM WebSphere Application Server: from 8.5.0.0 before 8.5.5.26; from 9.0.0.0 before 9.0.5.20; from 17.0.0.3 before 24.0.0.6 — fixed in 24.0.0.6, 8.5.5.26, 9.0.5.20

How to fix

Upgrade to a fixed version: IBM WebSphere Application Server 24.0.0.6, 8.5.5.26, 9.0.5.20. Check the vendor advisory for mitigations.

References

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