{"schema_version":"1.7.5","id":"GHSA-49p4-px3h-rq49","published":"2026-06-22T20:15:48Z","modified":"2026-07-27T17:11:40.032962202Z","aliases":["CVE-2026-44517","GO-2026-5116"],"summary":"Build breakout using malicious Containerfile and Git Smart HTTP server or GitHub release tar archive","details":"### Impact\n\nWhen processing a build contexts or `add`/`copy` instructions, a malicious server serving a Git repository or a tar archive file can cause files outside of the build context directory to be included in the build context or copied into the build.\n\n### Patches\n\nFixed in Buildah 1.44 and 1.43.2.","affected":[{"package":{"name":"github.com/containers/buildah","ecosystem":"Go","purl":"pkg:golang/github.com/containers/buildah"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.38.1"},{"fixed":"1.43.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-49p4-px3h-rq49/GHSA-49p4-px3h-rq49.json"}}],"references":[{"type":"WEB","url":"https://github.com/containers/buildah/security/advisories/GHSA-49p4-px3h-rq49"},{"type":"WEB","url":"https://github.com/podman-container-tools/buildah/security/advisories/GHSA-49p4-px3h-rq49"},{"type":"PACKAGE","url":"https://github.com/podman-container-tools/buildah"}],"database_specific":{"cwe_ids":["CWE-22"],"github_reviewed":true,"github_reviewed_at":"2026-06-22T20:15:48Z","nvd_published_at":null,"severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N"}]}