{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48758", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-22T19:39:05.356Z", "datePublished": "2026-07-14T20:36:28.641Z", "dateUpdated": "2026-07-14T20:36:28.641Z"}, "containers": {"cna": {"title": "sigstore-js: DSSE payloadType type-binding failure", "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/sigstore/sigstore-js/security/advisories/GHSA-jfc7-64v2-mr8c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sigstore/sigstore-js/security/advisories/GHSA-jfc7-64v2-mr8c"}, {"name": "https://github.com/sigstore/sigstore-js/pull/1657", "tags": ["x_refsource_MISC"], "url": "https://github.com/sigstore/sigstore-js/pull/1657"}, {"name": "https://github.com/sigstore/sigstore-js/commit/b5aa4f1f8d2db0a9dfa6430fb114d9c2f1c304f7", "tags": ["x_refsource_MISC"], "url": "https://github.com/sigstore/sigstore-js/commit/b5aa4f1f8d2db0a9dfa6430fb114d9c2f1c304f7"}, {"name": "https://github.com/sigstore/sigstore-js/releases/tag/%40sigstore%2Fcore%403.2.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/sigstore/sigstore-js/releases/tag/%40sigstore%2Fcore%403.2.1"}], "affected": [{"vendor": "sigstore", "product": "sigstore-js", "versions": [{"version": "< 3.2.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T20:36:28.641Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-jfc7-64v2-mr8c", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}