{"schema_version":1,"title":"Varnish-Software vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Varnish-Software: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-93894, was published on 18 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/varnish-software","json_url":"https://junglewise.ai/threats/vendors/varnish-software.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/vendors/varnish-software","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":true,"counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":4},"latest":[{"cve":"CVE-2026-93894","epss":0.0036,"slug":"cve-2026-93894-in-vinyl-cache-before-9-0-2-workspace-buffer-overflow","title":"Vinyl Cache VCL string methods workspace buffer overflow","severity":"info","exploited":false,"published_at":"2026-09-18T21:18:49.297+00:00","url":"https://junglewise.ai/threats/cve-2026-93894-in-vinyl-cache-before-9-0-2-workspace-buffer-overflow"},{"cve":"CVE-2026-40395","cvss":4,"slug":"cve-2026-40395-varnish-enterprise-denial-of-service-in-vmod-headerplus","title":"Varnish Enterprise denial of service in vmod_headerplus","severity":"medium","exploited":false,"published_at":"2026-04-12T20:16:18.893+00:00","url":"https://junglewise.ai/threats/cve-2026-40395-varnish-enterprise-denial-of-service-in-vmod-headerplus"},{"cve":"CVE-2026-40394","cvss":4,"slug":"cve-2026-40394-varnish-cache-workspace-overflow-denial-of-service-in-http-2","title":"Varnish Cache workspace overflow denial of service in HTTP/2 upgrade","severity":"medium","exploited":false,"published_at":"2026-04-12T20:16:17.857+00:00","url":"https://junglewise.ai/threats/cve-2026-40394-varnish-cache-workspace-overflow-denial-of-service-in-http-2"},{"cve":"CVE-2026-34475","cvss":5.4,"epss":0.0021,"slug":"cve-2026-34475-varnish-cache-before-8-0-1-and-varnish-enterprise-before-6-0","title":"Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle…","severity":"medium","exploited":false,"published_at":"2026-03-27T20:16:36.39+00:00","url":"https://junglewise.ai/threats/cve-2026-34475-varnish-cache-before-8-0-1-and-varnish-enterprise-before-6-0"}],"vendor":{"hub":true,"name":"Varnish-Software","slug":"varnish-software","homepage":"https://www.varnish-software.com/","description":"Company that develops and provides commercial support and services for the Varnish HTTP caching accelerator.","url":"https://junglewise.ai/threats/vendors/varnish-software"},"weekly":[{"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":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-34475","cvss":5.4,"epss":0.0021,"slug":"cve-2026-34475-varnish-cache-before-8-0-1-and-varnish-enterprise-before-6-0","title":"Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle…","severity":"medium","exploited":false,"published_at":"2026-03-27T20:16:36.39+00:00","url":"https://junglewise.ai/threats/cve-2026-34475-varnish-cache-before-8-0-1-and-varnish-enterprise-before-6-0"},{"cve":"CVE-2026-40395","cvss":4,"slug":"cve-2026-40395-varnish-enterprise-denial-of-service-in-vmod-headerplus","title":"Varnish Enterprise denial of service in vmod_headerplus","severity":"medium","exploited":false,"published_at":"2026-04-12T20:16:18.893+00:00","url":"https://junglewise.ai/threats/cve-2026-40395-varnish-enterprise-denial-of-service-in-vmod-headerplus"},{"cve":"CVE-2026-40394","cvss":4,"slug":"cve-2026-40394-varnish-cache-workspace-overflow-denial-of-service-in-http-2","title":"Varnish Cache workspace overflow denial of service in HTTP/2 upgrade","severity":"medium","exploited":false,"published_at":"2026-04-12T20:16:17.857+00:00","url":"https://junglewise.ai/threats/cve-2026-40394-varnish-cache-workspace-overflow-denial-of-service-in-http-2"},{"cve":"CVE-2026-93894","epss":0.0036,"slug":"cve-2026-93894-in-vinyl-cache-before-9-0-2-workspace-buffer-overflow","title":"Vinyl Cache VCL string methods workspace buffer overflow","severity":"info","exploited":false,"published_at":"2026-09-18T21:18:49.297+00:00","url":"https://junglewise.ai/threats/cve-2026-93894-in-vinyl-cache-before-9-0-2-workspace-buffer-overflow"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[{"name":"Varnish-Software Varnish Enterprise","slug":"varnish-enterprise","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/varnish-enterprise"}]}