{"schema_version":1,"title":"UnJS vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in UnJS: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-44373, was published on 13 May 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/unjs","json_url":"https://junglewise.ai/threats/vendors/unjs.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/unjs","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":1,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":4},"latest":[{"cve":"CVE-2026-44373","cvss":5.3,"epss":0.0057,"slug":"cve-2026-44373-nitro-proxy-route-rule-bypass-via-percent-encoded-path-traversal","title":"Nitro proxy route rule bypass via percent-encoded path traversal","severity":"medium","exploited":false,"published_at":"2026-05-13T21:16:48.033+00:00","url":"https://junglewise.ai/threats/cve-2026-44373-nitro-proxy-route-rule-bypass-via-percent-encoded-path-traversal"},{"cve":"CVE-2026-44372","cvss":6.1,"epss":0.0038,"slug":"cve-2026-44372-nitro-open-redirect-via-protocol-relative-url-bypass-in-wildcard","title":"Nitro open redirect via protocol-relative URL bypass in wildcard rules","severity":"medium","exploited":false,"published_at":"2026-05-13T21:16:47.89+00:00","url":"https://junglewise.ai/threats/cve-2026-44372-nitro-open-redirect-via-protocol-relative-url-bypass-in-wildcard"},{"cvss":2.3,"slug":"unjs-unhead-script-injection-in-streaming-ssr-streamkey-9d1000b2","title":"unjs unhead script injection in streaming SSR streamKey","severity":"low","exploited":false,"published_at":"2026-04-10T22:09:39+00:00","url":"https://junglewise.ai/threats/unjs-unhead-script-injection-in-streaming-ssr-streamkey-9d1000b2"},{"cve":"CVE-2026-35209","cvss":7.5,"epss":0.0052,"slug":"cve-2026-35209-unjs-defu-prototype-pollution-in-defaults-merging","title":"unjs defu prototype pollution in defaults merging","severity":"high","exploited":false,"published_at":"2026-04-06T18:16:44.157+00:00","url":"https://junglewise.ai/threats/cve-2026-35209-unjs-defu-prototype-pollution-in-defaults-merging"}],"vendor":{"hub":true,"name":"UnJS","slug":"unjs","homepage":"https://unjs.io/","description":"A collective of developers maintaining a suite of modular JavaScript tools and libraries.","url":"https://junglewise.ai/threats/vendors/unjs"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"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":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-35209","cvss":7.5,"epss":0.0052,"slug":"cve-2026-35209-unjs-defu-prototype-pollution-in-defaults-merging","title":"unjs defu prototype pollution in defaults merging","severity":"high","exploited":false,"published_at":"2026-04-06T18:16:44.157+00:00","url":"https://junglewise.ai/threats/cve-2026-35209-unjs-defu-prototype-pollution-in-defaults-merging"},{"cve":"CVE-2026-44372","cvss":6.1,"epss":0.0038,"slug":"cve-2026-44372-nitro-open-redirect-via-protocol-relative-url-bypass-in-wildcard","title":"Nitro open redirect via protocol-relative URL bypass in wildcard rules","severity":"medium","exploited":false,"published_at":"2026-05-13T21:16:47.89+00:00","url":"https://junglewise.ai/threats/cve-2026-44372-nitro-open-redirect-via-protocol-relative-url-bypass-in-wildcard"},{"cve":"CVE-2026-44373","cvss":5.3,"epss":0.0057,"slug":"cve-2026-44373-nitro-proxy-route-rule-bypass-via-percent-encoded-path-traversal","title":"Nitro proxy route rule bypass via percent-encoded path traversal","severity":"medium","exploited":false,"published_at":"2026-05-13T21:16:48.033+00:00","url":"https://junglewise.ai/threats/cve-2026-44373-nitro-proxy-route-rule-bypass-via-percent-encoded-path-traversal"},{"cvss":2.3,"slug":"unjs-unhead-script-injection-in-streaming-ssr-streamkey-9d1000b2","title":"unjs unhead script injection in streaming SSR streamKey","severity":"low","exploited":false,"published_at":"2026-04-10T22:09:39+00:00","url":"https://junglewise.ai/threats/unjs-unhead-script-injection-in-streaming-ssr-streamkey-9d1000b2"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"UnJS NitroPack","slug":"nitropack","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/nitropack"}]}