{"cve":"CVE-2020-10591","nvd":{"published":"2020-03-15T21:15:11.880","modified":"2026-06-17T02:48:03.443","status":"Modified","description":"An issue was discovered in Walmart Labs Concord before 1.44.0. CORS Access-Control-Allow-Origin headers have a potentially unsafe dependency on Origin headers, and are not configurable. This allows remote attackers to discover host information, nodes, API metadata, and references to usernames via api/v1/apikey.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":[],"references":["https://github.com/walmartlabs/concord/compare/1.43.0...1.44.0","https://github.com/walmartlabs/concord/issues/22","https://github.com/walmartlabs/concord/compare/1.43.0...1.44.0","https://github.com/walmartlabs/concord/issues/22"],"products":["walmart:concord"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-10591","score":0.02493,"percentile":0.84662,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6566-9526-52v6","url":"https://osv.dev/vulnerability/GHSA-6566-9526-52v6","summary":"Exposure of Sensitive Information to an Unauthorized Actor in Concord","modified":"2025-01-17T13:38:29.628070Z","packages":[{"ecosystem":"Maven","name":"com.walmartlabs.concord:concord-common","purl":"pkg:maven/com.walmartlabs.concord/concord-common","ranges":["<1.44.0"],"fixed":["1.44.0"]}]}],"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."]}