Medium, CVSS 5.9MavenPublished
Armeria: External Control of File Name or Path in xDS SDS DataSource
CVE-2026-11752 · GHSA-hgw6-8c77-v4gq
- Affected
- Maven com.linecorp.armeria:armeria-xds < 1.40.0
- Fixed in
- 1.40.0· Vendor fix available
- Issue
- External Control of File Name or Path in xDS SDS DataSource Summary DataSourceStream in the :xds module resolves control-plane-supplied filename and environmentvariable fields from SDS Secret resources without any allow-list or base-directory confinement. A semi-trusted or compromised xDS control plane (or an attacker who can MITM SDS responses) can read arbitrary local files and environment variables on the xDS client host. Affected component: xds/src/main/java/com/linecorp/armeria/xds/DataSourceStream.java Introduced in: Armeria 1.38.0 (commit b199560b10, "Add support for SDS", #6597) Affected versions: 1.38.0, 1.39.0 Impact A semi-trusted or compromised xDS control plane (or an attacker who can inject/MITM SDS responses) can: - Read arbitrary files on the xDS client host — TLS private keys, /etc/passwd, mounted Kubernetes service-account tokens, cloud credential files, etc. - Read arbitrary environment variables — AWSSECRETACCESSKEY, CI tokens, database credentials, etc. The read…
Recommended action: Upgrade to 1.40.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.