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HIGH · 7.5

CVE-2026-11897

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerabi...

Vulnerability Description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
IbmWebsphere Application Server>= 17.0.0.3, < 26.0.0.8

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2026-11897?

CVE-2026-11897 is a vulnerability with a CVSS score of 7.5 (HIGH). IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerabi...

How severe is CVE-2026-11897?

CVE-2026-11897 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-11897?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Websphere Application Server.