CVE-2026-11711: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server
IBM WebSphere Application Server 9.0 and 8.5 is affected by a deserialization vulnerability in the Name Service component.
AI Analysis
Technical Summary
CVE-2026-11711 is a deserialization of untrusted data vulnerability (CWE-502) affecting IBM WebSphere Application Server versions 8.5 and 9.0. The flaw exists in the Name Service component, potentially allowing an attacker to cause a denial of service. The vulnerability has a CVSS v3.1 base score of 6.5, with attack vector as adjacent network, low attack complexity, no privileges required, no user interaction, and impacts availability only.
Potential Impact
Successful exploitation of this vulnerability can result in denial of service (availability impact) on affected IBM WebSphere Application Server instances. There is no reported impact on confidentiality or integrity. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Users should monitor IBM advisories for updates and apply patches once available.
CVE-2026-11711: CWE-502 Deserialization of Untrusted Data in IBM WebSphere Application Server
Description
IBM WebSphere Application Server 9.0 and 8.5 is affected by a deserialization vulnerability in the Name Service component.
CVSS v3.1
Score 6.5medium
Affected software
IBM
WebSphere Application Server
pkg:maven/com.ibm.websphere/websphere_application_servercpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*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-2026-11711 is a deserialization of untrusted data vulnerability (CWE-502) affecting IBM WebSphere Application Server versions 8.5 and 9.0. The flaw exists in the Name Service component, potentially allowing an attacker to cause a denial of service. The vulnerability has a CVSS v3.1 base score of 6.5, with attack vector as adjacent network, low attack complexity, no privileges required, no user interaction, and impacts availability only.
Potential Impact
Successful exploitation of this vulnerability can result in denial of service (availability impact) on affected IBM WebSphere Application Server instances. There is no reported impact on confidentiality or integrity. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Users should monitor IBM advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-06-09T00:03:47.477Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aad91c955bf5e2cf5719172
Added to database: 09/18/2026, 19:32:25 UTC
Last enriched: 09/18/2026, 19:47:54 UTC
Last updated: 09/19/2026, 05:01:24 UTC
Views: 6
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