# Hitachi JP1/Base vulnerabilities Source: https://junglewise.ai/threats/technologies/jp1-base Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/jp1-base.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 4 vulnerabilities in Hitachi JP1/Base: 0 in the last 7 days and 4 in the last 90 days, 4 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86577, was published on 27 October 2026. 4 vulnerabilities in the last four weeks, up from none in the four before. 4 critical against 0. ## Counts - Last 7 days: 0 - Last 30 days: 4 - Last 90 days: 4 - All time: 4 (4 critical, 0 exploited in the wild) ## About Hitachi JP1/Base JP1/Base is a foundation software layer for Hitachi JP1 system management products. ## Latest Hitachi JP1/Base vulnerabilities - [CVE-2026-86577: Hitachi JP1 out-of-bounds write vulnerability](https://junglewise.ai/threats/cve-2026-86577-out-of-bounds-write-vulnerability-in-jp1-products-this-issue) (critical, CVSS 9.4, published 27 Oct 2026) - [CVE-2026-86576: Hitachi JP1 heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-86576-heap-based-buffer-overflow-vulnerability-in-jp1-products-this) (critical, CVSS 9.4, published 27 Oct 2026) - [CVE-2026-86575: Hitachi JP1 stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-86575-stack-based-buffer-overflow-vulnerability-in-jp1-products-this) (critical, CVSS 9.4, published 27 Oct 2026) - [CVE-2026-86574: Hitachi JP1/Base heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-86574-heap-based-buffer-overflow-vulnerability-in-jp1-base-this-issue) (critical, CVSS 9.8, published 27 Oct 2026) ## Most severe Hitachi JP1/Base vulnerabilities - [CVE-2026-86574: Hitachi JP1/Base heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-86574-heap-based-buffer-overflow-vulnerability-in-jp1-base-this-issue) (critical, CVSS 9.8, published 27 Oct 2026) - [CVE-2026-86577: Hitachi JP1 out-of-bounds write vulnerability](https://junglewise.ai/threats/cve-2026-86577-out-of-bounds-write-vulnerability-in-jp1-products-this-issue) (critical, CVSS 9.4, published 27 Oct 2026) - [CVE-2026-86576: Hitachi JP1 heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-86576-heap-based-buffer-overflow-vulnerability-in-jp1-products-this) (critical, CVSS 9.4, published 27 Oct 2026) - [CVE-2026-86575: Hitachi JP1 stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-86575-stack-based-buffer-overflow-vulnerability-in-jp1-products-this) (critical, CVSS 9.4, published 27 Oct 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up from none in the four before. 4 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 | 4 | 4 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Hitachi technologies - [Hitachi JP1/Automatic Job Management System 3 - Manager](https://junglewise.ai/threats/technologies/jp1-automatic-job-management-system-3-manager): 11 vulnerabilities - [Hitachi HiRDB Server Version 10](https://junglewise.ai/threats/technologies/hirdb-server-version-10): 8 vulnerabilities - [Hitachi HiRDB Server Version 9](https://junglewise.ai/threats/technologies/hirdb-server-version-9): 8 vulnerabilities - [Hitachi HiRDB Server Version 9(32)](https://junglewise.ai/threats/technologies/hirdb-server-version-9-32): 8 vulnerabilities - [Hitachi HiRDB Server with Additional Function Version 9](https://junglewise.ai/threats/technologies/hirdb-server-with-additional-function-version-9): 8 vulnerabilities - [Hitachi HiRDB Server with Additional Function Version 9(32)](https://junglewise.ai/threats/technologies/hirdb-server-with-additional-function-version-9-32): 8 vulnerabilities - [Hitachi JP1/Automatic Job Management System 3 - Agent](https://junglewise.ai/threats/technologies/jp1-automatic-job-management-system-3-agent): 8 vulnerabilities - [Hitachi Dynamic Link Manager for Linux](https://junglewise.ai/threats/technologies/dynamic-link-manager-for-linux): 7 vulnerabilities - [Hitachi Coding Software Suite](https://junglewise.ai/threats/technologies/coding-software-suite): 6 vulnerabilities - [Hitachi JP1/Automatic Job Management System 3 - Agent Minimal Edition](https://junglewise.ai/threats/technologies/jp1-automatic-job-management-system-3-agent-minimal-edition): 6 vulnerabilities - [Hitachi Cosminexus Component Container](https://junglewise.ai/threats/technologies/cosminexus-component-container): 4 vulnerabilities - [Hitachi Dynamic Link Manager for VMware](https://junglewise.ai/threats/technologies/dynamic-link-manager-for-vmware): 4 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, "Hitachi JP1/Base vulnerabilities", https://junglewise.ai/threats/technologies/jp1-base, 11 November 2026.