CVE-2026-50163

{"id": "CVE-2026-50163", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50163", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-20T15:00:48.168210Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "oras-project", "product": "oras-go", "versions": [{"status": "affected", "version": "< 2.6.2"}]}]}], "published": "2026-07-17T20:17:23.943", "references": [{"url": "https://github.com/oras-project/oras-go/commit/c463c654ab3ef34422c1764cd619806cebf20451", "source": "security-advisories@github.com"}, {"url": "https://github.com/oras-project/oras-go/pull/1232", "source": "security-advisories@github.com"}, {"url": "https://github.com/oras-project/oras-go/releases/tag/v2.6.2", "source": "security-advisories@github.com"}, {"url": "https://github.com/oras-project/oras-go/security/advisories/GHSA-fxhp-mv3v-67qp", "source": "security-advisories@github.com"}, {"url": "https://github.com/oras-project/oras-go/security/advisories/GHSA-fxhp-mv3v-67qp", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "oras-go is a Go library for managing OCI artifacts. Prior to 2.6.2, ensureLinkPath in content/file/utils.go:262-275 validates a hardlink target relative to the extract base but returns the unresolved target, causing os.Link(\"victim.secret\", \"<extract_base>/payload.tar.gz/evil_cwd_link\") to resolve header.Linkname against the process current working directory for a Typeflag=TypeLink entry such as Name=payload.tar.gz/evil_cwd_link and Linkname=\"victim.secret\" with io.deis.oras.content.unpack: \"true\", which can expose or tamper with files such as .env, .git/config, .aws/credentials, and ~/.ssh/config. This issue is fixed in version 2.6.2."}, {"lang": "es", "value": "oras-go es una biblioteca Go para gestionar artefactos OCI. Antes de la versi\u00f3n 2.6.2, ensureLinkPath en content/file/utils.go:262-275 valida un objetivo de enlace duro relativo a la base de extracci\u00f3n pero devuelve el objetivo sin resolver, lo que provoca que os.Link(\u2019victim.secret\u2019, \u2019[extract_base]/payload.tar.gz/evil_cwd_link\u2019) resuelva header.Linkname contra el directorio de trabajo actual del proceso para una entrada Typeflag=TypeLink como Name=payload.tar.gz/evil_cwd_link y Linkname=\u2019victim.secret\u2019 con io.deis.oras.content.unpack: \u2019true\u2019, lo que puede exponer o manipular archivos como .env, .git/config, .aws/credentials y ~/.ssh/config. Este problema est\u00e1 solucionado en la versi\u00f3n 2.6.2."}], "lastModified": "2026-10-24T20:10:00.137", "sourceIdentifier": "security-advisories@github.com"}