{"id":"CVE-2026-59891","sourceIdentifier":"security-advisories@github.com","published":"2026-07-14T17:17:15.270","lastModified":"2026-10-24T21:10:00.130","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 0.7.1, getRegistryCredentials() reads credentials from the Docker config file and selects an entry by checking whether any configured auth key contains the target registry string. Because this is a substring match rather than an exact host match, credentials configured for one registry can be selected for and transmitted to a different registry whose hostname has a substring relationship with a configured auth key. This issue is fixed in version 0.7.1."},{"lang":"es","value":"sigstore-js proporciona bibliotecas JavaScript para interactuar con servicios Sigstore. Antes de 0.7.1, getRegistryCredentials() lee las credenciales del archivo de configuración de Docker y selecciona una entrada comprobando si alguna clave de autenticación configurada contiene la cadena del registro objetivo. Debido a que esto es una coincidencia de subcadena en lugar de una coincidencia exacta de host, las credenciales configuradas para un registro pueden ser seleccionadas y transmitidas a un registro diferente cuyo nombre de host tiene una relación de subcadena con una clave de autenticación configurada. Este problema se ha corregido en la versión 0.7.1."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"sigstore","product":"sigstore-js","versions":[{"version":"< 0.7.1","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","baseScore":9.6,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":6.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-21T18:43:45.472102Z","id":"CVE-2026-59891","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-522"}]}],"references":[{"url":"https://github.com/sigstore/sigstore-js/commit/85c58380758b97ce1b74ef470e55cc21f9d3aa89","source":"security-advisories@github.com"},{"url":"https://github.com/sigstore/sigstore-js/releases/tag/%40sigstore%2Foci%400.7.1","source":"security-advisories@github.com"},{"url":"https://github.com/sigstore/sigstore-js/security/advisories/GHSA-pf56-329r-95rw","source":"security-advisories@github.com"}]}