{"id":"CVE-2026-48758","revision":"45d26c55d5604b729f04a10a306444a6","records":[{"revision":"45d26c55d5604b729f04a10a306444a6","observedAt":"2026-10-25T12:17:32.273+00:00","statement":{"source":"nvd","id":"CVE-2026-48758","aliases":[],"title":"sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be…","description":"sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature and breaking the type-binding guarantee that DSSE is designed to provide. This issue is fixed in version 3.2.1.","state":0,"publishedAt":"2026-07-14T21:17:01.113+00:00","modifiedAt":"2026-10-24T21:10:00.13+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","score":5.4,"severity":"MEDIUM"}],"references":["https://github.com/sigstore/sigstore-js/commit/b5aa4f1f8d2db0a9dfa6430fb114d9c2f1c304f7","https://github.com/sigstore/sigstore-js/pull/1657","https://github.com/sigstore/sigstore-js/releases/tag/%40sigstore%2Fcore%403.2.1","https://github.com/sigstore/sigstore-js/security/advisories/GHSA-jfc7-64v2-mr8c"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48758","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-347"],"productCriteria":[],"sourceDates":{"published":"2026-07-14T21:17:01.113","lastModified":"2026-10-24T21:10:00.130"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-48758","identifiers":["CVE-2026-48758"]},"retained":false,"historicalAffected":[]}],"coverage":[]}