Vulnerability · Published Jun 19, 2026 · Assigned by LY-Corporation

CVE-2026-11752

Medium 5.9

In plain English

A medium-severity security flaw in Armeria from LY Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.9Medium
Exploit odds (30 days)0.3%top 75.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in armeria-xds versions 1.38.0 through 1.39.0, where DataSourceStream in the xDS module can resolve control-plane-supplied filenames and environment variables without restriction, allowing a compromised or semi-trusted xDS control plane to read arbitrary local files and environment variables on the xDS client host.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavencom.linecorp.armeria:armeria-xds1.40.0GHSA-hgw6-8c77-v4gq

Affected products (as reported)

VendorProductVersions
LY Corporation Armeria 1.38.0 – before 1.40.0

References