CVE-2026-11897: CWE-770 Allocation of Resources Without Limits or Throttling in IBM WebSphere Application Server - Liberty
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7 contain a vulnerability (CWE-770) that allows remote attackers to cause a denial of service by sending specially crafted requests that lead to uncontrolled memory resource consumption. This vulnerability can be exploited without authentication and requires no user interaction. The vulnerability has a high severity rating with a CVSS score of 7.5. No official patch or remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
CVE-2026-11897 describes a resource exhaustion vulnerability in IBM WebSphere Application Server - Liberty, specifically versions 17.0.0.3 through 26.0.0.7. The issue arises from allocation of resources without limits or throttling (CWE-770), enabling a remote attacker to send specially crafted requests that cause excessive memory consumption, resulting in denial of service. The vulnerability is remotely exploitable without privileges or user interaction. No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation of this vulnerability can cause the affected server to consume excessive memory resources, potentially leading to denial of service conditions. This could disrupt availability of applications hosted on the IBM WebSphere Application Server - Liberty, impacting business operations relying on this service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider implementing network-level protections such as rate limiting or filtering to reduce exposure to specially crafted requests targeting this vulnerability.
CVE-2026-11897: CWE-770 Allocation of Resources Without Limits or Throttling in IBM WebSphere Application Server - Liberty
Description
IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7 contain a vulnerability (CWE-770) that allows remote attackers to cause a denial of service by sending specially crafted requests that lead to uncontrolled memory resource consumption. This vulnerability can be exploited without authentication and requires no user interaction. The vulnerability has a high severity rating with a CVSS score of 7.5. No official patch or remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 7.5high
Affected software
pkg:maven/com.ibm.websphere/websphere_application_server_libertycpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.7:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11897 describes a resource exhaustion vulnerability in IBM WebSphere Application Server - Liberty, specifically versions 17.0.0.3 through 26.0.0.7. The issue arises from allocation of resources without limits or throttling (CWE-770), enabling a remote attacker to send specially crafted requests that cause excessive memory consumption, resulting in denial of service. The vulnerability is remotely exploitable without privileges or user interaction. No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation of this vulnerability can cause the affected server to consume excessive memory resources, potentially leading to denial of service conditions. This could disrupt availability of applications hosted on the IBM WebSphere Application Server - Liberty, impacting business operations relying on this service.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider implementing network-level protections such as rate limiting or filtering to reduce exposure to specially crafted requests targeting this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-10T15:40:44.241Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6b8fab9c2644c7f8731748
Added to database: 07/30/2026, 17:53:47 UTC
Last enriched: 07/30/2026, 18:07:22 UTC
Last updated: 07/30/2026, 18:52:14 UTC
Views: 4
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