{"id":"AZL-112726","summary":"CVE-2026-121520 affecting package docker-buildx 0.14.0-19","details":"In BuildKit versions prior to v0.34.1, a malicious client with access to the BuildKit control APIs can submit a build request that sets an extended attribute on a file outside the BuildKit state directory. Extended attributes in the trusted. or security. namespaces may also be set, potentially giving a program on the host elevated privileges. This issue affects build services that accept build requests from untrusted users. The issue is fixed in v0.34.1.","modified":"2026-11-07T14:19:16.205924241Z","published":"2026-11-03T23:17:34Z","upstream":["CVE-2026-121520"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121520"}],"affected":[{"package":{"name":"docker-buildx","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/docker-buildx"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.14.0-19"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-112726.json"}}],"schema_version":"1.9.2"}