{"schema_version":1,"title":"Sigstore-Js vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Sigstore-Js: 0 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-48816, was published on 14 July 2026.","url":"https://junglewise.ai/threats/technologies/sigstore-js","json_url":"https://junglewise.ai/threats/technologies/sigstore-js.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/sigstore-js","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":4,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":4,"last_365_days":4},"latest":[{"cve":"CVE-2026-48816","cvss":6.5,"epss":0.0016,"slug":"cve-2026-48816-sigstore-js-insufficient-verification-of-data-authenticity-in","title":"sigstore-js insufficient verification of data authenticity in @sigstore/verify","severity":"medium","exploited":false,"published_at":"2026-07-14T21:17:01.497+00:00","url":"https://junglewise.ai/threats/cve-2026-48816-sigstore-js-insufficient-verification-of-data-authenticity-in"},{"cve":"CVE-2026-48815","cvss":7.5,"epss":0.0019,"slug":"cve-2026-48815-sigstore-js-improper-verification-of-certificate-oids","title":"sigstore-js improper verification of certificate OIDs","severity":"high","exploited":false,"published_at":"2026-07-14T21:17:01.37+00:00","url":"https://junglewise.ai/threats/cve-2026-48815-sigstore-js-improper-verification-of-certificate-oids"},{"cve":"CVE-2026-48758","cvss":5.4,"epss":0.0026,"slug":"cve-2026-48758-sigstore-js-signature-type-binding-failure-in-sigstore-core","title":"sigstore-js signature type-binding failure in @sigstore/core","severity":"medium","exploited":false,"published_at":"2026-07-14T21:17:01.113+00:00","url":"https://junglewise.ai/threats/cve-2026-48758-sigstore-js-signature-type-binding-failure-in-sigstore-core"},{"cve":"CVE-2026-59891","cvss":9.6,"epss":0.0047,"slug":"cve-2026-59891-sigstore-sigstore-js-credential-leakage-via-registry-substring","title":"Sigstore sigstore-js credential leakage via registry substring match","severity":"critical","exploited":false,"published_at":"2026-07-14T17:17:15.27+00:00","url":"https://junglewise.ai/threats/cve-2026-59891-sigstore-sigstore-js-credential-leakage-via-registry-substring"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":1,"exploited":0,"vulnerabilities":4},{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Sigstore-Js","slug":"sigstore-js","vendor":{"name":"Sigstore","slug":"sigstore","url":"https://junglewise.ai/threats/vendors/sigstore"},"aliases":[],"category":"library","description":"A JavaScript implementation of sigstore for code signing and verification.","url":"https://junglewise.ai/threats/technologies/sigstore-js"},"most_severe":[{"cve":"CVE-2026-59891","cvss":9.6,"epss":0.0047,"slug":"cve-2026-59891-sigstore-sigstore-js-credential-leakage-via-registry-substring","title":"Sigstore sigstore-js credential leakage via registry substring match","severity":"critical","exploited":false,"published_at":"2026-07-14T17:17:15.27+00:00","url":"https://junglewise.ai/threats/cve-2026-59891-sigstore-sigstore-js-credential-leakage-via-registry-substring"},{"cve":"CVE-2026-48815","cvss":7.5,"epss":0.0019,"slug":"cve-2026-48815-sigstore-js-improper-verification-of-certificate-oids","title":"sigstore-js improper verification of certificate OIDs","severity":"high","exploited":false,"published_at":"2026-07-14T21:17:01.37+00:00","url":"https://junglewise.ai/threats/cve-2026-48815-sigstore-js-improper-verification-of-certificate-oids"},{"cve":"CVE-2026-48816","cvss":6.5,"epss":0.0016,"slug":"cve-2026-48816-sigstore-js-insufficient-verification-of-data-authenticity-in","title":"sigstore-js insufficient verification of data authenticity in @sigstore/verify","severity":"medium","exploited":false,"published_at":"2026-07-14T21:17:01.497+00:00","url":"https://junglewise.ai/threats/cve-2026-48816-sigstore-js-insufficient-verification-of-data-authenticity-in"},{"cve":"CVE-2026-48758","cvss":5.4,"epss":0.0026,"slug":"cve-2026-48758-sigstore-js-signature-type-binding-failure-in-sigstore-core","title":"sigstore-js signature type-binding failure in @sigstore/core","severity":"medium","exploited":false,"published_at":"2026-07-14T21:17:01.113+00:00","url":"https://junglewise.ai/threats/cve-2026-48758-sigstore-js-signature-type-binding-failure-in-sigstore-core"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}