{"cve":"CVE-2026-50163","nvd":{"published":"2026-07-17T20:17:23.943","modified":"2026-10-24T20:10:00.137","status":"Deferred","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","score":7.1},"cwes":["CWE-22","CWE-59"],"references":["https://github.com/oras-project/oras-go/commit/c463c654ab3ef34422c1764cd619806cebf20451","https://github.com/oras-project/oras-go/pull/1232","https://github.com/oras-project/oras-go/releases/tag/v2.6.2","https://github.com/oras-project/oras-go/security/advisories/GHSA-fxhp-mv3v-67qp","https://github.com/oras-project/oras-go/security/advisories/GHSA-fxhp-mv3v-67qp"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-50163","score":0.00403,"percentile":0.34264,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-fxhp-mv3v-67qp","url":"https://osv.dev/vulnerability/GHSA-fxhp-mv3v-67qp","summary":"`oras-go` tar extraction: Hardlink entry with relative Linkname escapes extract dir via process CWD resolution","modified":"2026-09-10T03:50:51.900265156Z","packages":[{"ecosystem":"Go","name":"oras.land/oras-go/v2","purl":"pkg:golang/oras.land/oras-go/v2","ranges":["<2.6.2"],"fixed":["2.6.2"]}]},{"id":"GO-2026-5880","url":"https://osv.dev/vulnerability/GO-2026-5880","summary":"Hardlink path traversal during tar extraction in oras.land/oras-go","modified":"2026-07-29T03:44:57.835706258Z","packages":[{"ecosystem":"Go","name":"oras.land/oras-go/v2","purl":"pkg:golang/oras.land/oras-go/v2","ranges":["<2.6.2"],"fixed":["2.6.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}