# IBM WebSphere Extreme Scale vulnerabilities Source: https://junglewise.ai/threats/technologies/websphere-extreme-scale Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/websphere-extreme-scale.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 5 vulnerabilities in IBM WebSphere Extreme Scale: 1 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-101117, was published on 8 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 critical against 0. ## Counts - Last 7 days: 1 - Last 30 days: 1 - Last 90 days: 1 - All time: 5 (1 critical, 0 exploited in the wild) ## About IBM WebSphere Extreme Scale IBM middleware platform for distributed in-memory data caching and application performance. ## Latest IBM WebSphere Extreme Scale vulnerabilities - [CVE-2026-101117: IBM WebSphere Extreme Scale security policy bypass](https://junglewise.ai/threats/cve-2026-101117-ibm-websphere-extreme-scale-8-6-1-0-through-8-6-2-2-could-allow) (critical, CVSS 9.1, published 8 Nov 2026) - [CVE-2026-9002: IBM WebSphere Extreme Scale denial of service in XDF decoder](https://junglewise.ai/threats/cve-2026-9002-ibm-websphere-extreme-scale-denial-of-service-in-xdf-decoder) (medium, CVSS 6.5, published 30 Jun 2026) - [CVE-2026-13773: IBM WebSphere Extreme Scale SSRF in ogclient.jar CORBA stubs](https://junglewise.ai/threats/cve-2026-13773-ibm-websphere-extreme-scale-ssrf-in-ogclient-jar-corba-stubs) (medium, CVSS 6, published 30 Jun 2026) - [CVE-2026-13772: IBM WebSphere Extreme Scale unsafe reflection in OQL engine](https://junglewise.ai/threats/cve-2026-13772-ibm-websphere-extreme-scale-unsafe-reflection-in-oql-engine) (high, CVSS 7.5, published 30 Jun 2026) - [CVE-2026-13759: IBM WebSphere Extreme Scale insecure deserialization](https://junglewise.ai/threats/cve-2026-13759-ibm-websphere-extreme-scale-insecure-deserialization) (high, CVSS 7.5, published 30 Jun 2026) ## Most severe IBM WebSphere Extreme Scale vulnerabilities - [CVE-2026-101117: IBM WebSphere Extreme Scale security policy bypass](https://junglewise.ai/threats/cve-2026-101117-ibm-websphere-extreme-scale-8-6-1-0-through-8-6-2-2-could-allow) (critical, CVSS 9.1, published 8 Nov 2026) - [CVE-2026-13772: IBM WebSphere Extreme Scale unsafe reflection in OQL engine](https://junglewise.ai/threats/cve-2026-13772-ibm-websphere-extreme-scale-unsafe-reflection-in-oql-engine) (high, CVSS 7.5, published 30 Jun 2026) - [CVE-2026-13759: IBM WebSphere Extreme Scale insecure deserialization](https://junglewise.ai/threats/cve-2026-13759-ibm-websphere-extreme-scale-insecure-deserialization) (high, CVSS 7.5, published 30 Jun 2026) - [CVE-2026-9002: IBM WebSphere Extreme Scale denial of service in XDF decoder](https://junglewise.ai/threats/cve-2026-9002-ibm-websphere-extreme-scale-denial-of-service-in-xdf-decoder) (medium, CVSS 6.5, published 30 Jun 2026) - [CVE-2026-13773: IBM WebSphere Extreme Scale SSRF in ogclient.jar CORBA stubs](https://junglewise.ai/threats/cve-2026-13773-ibm-websphere-extreme-scale-ssrf-in-ogclient-jar-corba-stubs) (medium, CVSS 6, published 30 Jun 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, up from none in the four before. 1 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 1 | 1 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other IBM technologies - [IBM API Connect](https://junglewise.ai/threats/technologies/api-connect): 207 vulnerabilities - [IBM AIX](https://junglewise.ai/threats/technologies/aix): 181 vulnerabilities - [IBM Langflow](https://junglewise.ai/threats/technologies/langflow-oss): 154 vulnerabilities - [IBM i](https://junglewise.ai/threats/technologies/i): 120 vulnerabilities - [IBM Guardium Data Protection](https://junglewise.ai/threats/technologies/guardium-data-protection): 93 vulnerabilities - [IBM PowerVM VIOS](https://junglewise.ai/threats/technologies/powervm-vios): 73 vulnerabilities - [IBM Vios](https://junglewise.ai/threats/technologies/vios): 72 vulnerabilities - [IBM WebSphere Application Server](https://junglewise.ai/threats/technologies/websphere-application-server): 67 vulnerabilities - [IBM WebSphere Application Server Liberty](https://junglewise.ai/threats/technologies/websphere-application-server-liberty): 56 vulnerabilities - [IBM Verify Identity Access](https://junglewise.ai/threats/technologies/verify-identity-access): 50 vulnerabilities - [IBM Datastage On Cloud Pak For Data](https://junglewise.ai/threats/technologies/datastage-on-cloud-pak-for-data): 48 vulnerabilities - [IBM Mq](https://junglewise.ai/threats/technologies/mq): 46 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "IBM WebSphere Extreme Scale vulnerabilities", https://junglewise.ai/threats/technologies/websphere-extreme-scale, 9 November 2026.