{"id":"GHSA-r727-5pf6-47r2","summary":"Elastic Package Registry has Improper Verification of Cryptographic Signature ","details":"Improper Verification of Cryptographic Signature (CWE-347) in Elastic Package Registry could allow an attacker positioned to intercept network traffic, or to otherwise influence the contents served to a self-hosted registry, to substitute a tampered package without the integrity check failing closed.","aliases":["CVE-2026-33467","GO-2026-5611"],"modified":"2026-06-25T23:11:44.605508336Z","published":"2026-04-29T00:30:22Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-05-06T21:56:35Z","nvd_published_at":"2026-04-28T22:16:48Z","cwe_ids":["CWE-347"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33467"},{"type":"WEB","url":"https://discuss.elastic.co/t/elastic-package-registry-1-38-0-security-update-esa-2026-27/386081"},{"type":"PACKAGE","url":"https://github.com/elastic/package-registry"}],"affected":[{"package":{"name":"github.com/elastic/package-registry","ecosystem":"Go","purl":"pkg:golang/github.com/elastic/package-registry"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.38.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-r727-5pf6-47r2/GHSA-r727-5pf6-47r2.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}