{"schema_version":1,"title":"Eclipse Foundation Open VSX vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Eclipse Foundation Open VSX: 1 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-90882, was published on 22 September 2026.","url":"https://junglewise.ai/threats/technologies/open-vsx","json_url":"https://junglewise.ai/threats/technologies/open-vsx.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/open-vsx","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":1,"last_30_days":2,"last_90_days":3,"last_365_days":4},"latest":[{"cve":"CVE-2026-90882","epss":0.0044,"slug":"cve-2026-90882-the-open-vsx-org-deployment-returned-access-control-allow-origin","title":"Open VSX CORS misconfiguration with credential reflection","severity":"info","exploited":false,"published_at":"2026-09-22T10:17:10+00:00","url":"https://junglewise.ai/threats/cve-2026-90882-the-open-vsx-org-deployment-returned-access-control-allow-origin"},{"cve":"CVE-2026-89321","cvss":4.3,"epss":0.0044,"slug":"cve-2026-89321-open-vsx-decompression-bomb-in-vsix-file-extraction","title":"Open VSX decompression bomb in VSIX file extraction","severity":"medium","exploited":false,"published_at":"2026-09-14T09:17:01.797+00:00","url":"https://junglewise.ai/threats/cve-2026-89321-open-vsx-decompression-bomb-in-vsix-file-extraction"},{"cve":"CVE-2026-13323","cvss":4.1,"slug":"cve-2026-13323-eclipse-open-vsx-stored-xss-in-unpkg-endpoint","title":"Eclipse Open VSX stored XSS in unpkg endpoint","severity":"medium","exploited":false,"published_at":"2026-07-01T12:16:38.117+00:00","url":"https://junglewise.ai/threats/cve-2026-13323-eclipse-open-vsx-stored-xss-in-unpkg-endpoint"},{"cve":"CVE-2026-4983","cvss":4.1,"slug":"cve-2026-4983-eclipse-open-vsx-stored-xss-in-extension-icons","title":"Eclipse Open VSX stored XSS in extension icons","severity":"medium","exploited":false,"published_at":"2026-06-23T12:16:26.537+00:00","url":"https://junglewise.ai/threats/cve-2026-4983-eclipse-open-vsx-stored-xss-in-extension-icons"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":1}],"related":[{"name":"Eclipse Foundation Jetty","slug":"jetty","vulnerabilities":9,"url":"https://junglewise.ai/threats/technologies/jetty"},{"name":"Eclipse Foundation Theia","slug":"theia","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/theia"},{"name":"Eclipse Foundation GlassFish","slug":"glassfish","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/glassfish"},{"name":"Eclipse Foundation BaSyx Java Server SDK","slug":"basyx-java-server-sdk","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/basyx-java-server-sdk"},{"name":"Eclipse Foundation CSI - PIA","slug":"csi-pia","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/csi-pia"}],"technology":{"hub":true,"name":"Eclipse Foundation Open VSX","slug":"open-vsx","vendor":{"name":"Eclipse Foundation","slug":"eclipse-foundation","url":"https://junglewise.ai/threats/vendors/eclipse-foundation"},"aliases":[],"category":"web-server","homepage":"https://open-vsx.org/","repo_url":"https://github.com/eclipse/openvsx","description":"An open-source registry for VS Code extensions that provides a vendor-neutral alternative to the Visual Studio Marketplace.","url":"https://junglewise.ai/threats/technologies/open-vsx"},"most_severe":[{"cve":"CVE-2026-89321","cvss":4.3,"epss":0.0044,"slug":"cve-2026-89321-open-vsx-decompression-bomb-in-vsix-file-extraction","title":"Open VSX decompression bomb in VSIX file extraction","severity":"medium","exploited":false,"published_at":"2026-09-14T09:17:01.797+00:00","url":"https://junglewise.ai/threats/cve-2026-89321-open-vsx-decompression-bomb-in-vsix-file-extraction"},{"cve":"CVE-2026-13323","cvss":4.1,"slug":"cve-2026-13323-eclipse-open-vsx-stored-xss-in-unpkg-endpoint","title":"Eclipse Open VSX stored XSS in unpkg endpoint","severity":"medium","exploited":false,"published_at":"2026-07-01T12:16:38.117+00:00","url":"https://junglewise.ai/threats/cve-2026-13323-eclipse-open-vsx-stored-xss-in-unpkg-endpoint"},{"cve":"CVE-2026-4983","cvss":4.1,"slug":"cve-2026-4983-eclipse-open-vsx-stored-xss-in-extension-icons","title":"Eclipse Open VSX stored XSS in extension icons","severity":"medium","exploited":false,"published_at":"2026-06-23T12:16:26.537+00:00","url":"https://junglewise.ai/threats/cve-2026-4983-eclipse-open-vsx-stored-xss-in-extension-icons"},{"cve":"CVE-2026-90882","epss":0.0044,"slug":"cve-2026-90882-the-open-vsx-org-deployment-returned-access-control-allow-origin","title":"Open VSX CORS misconfiguration with credential reflection","severity":"info","exploited":false,"published_at":"2026-09-22T10:17:10+00:00","url":"https://junglewise.ai/threats/cve-2026-90882-the-open-vsx-org-deployment-returned-access-control-allow-origin"}],"generated_at":"2026-09-26T12:07:00.15149+00:00"}