CVE-2026-41433 OpenTelemetry eBPF Instrumentation: Privileged Java agent injection allows arbitrary host file overwrite via untrusted TMPDIR

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From 0.4.0 to before 0.8.0, a flaw in the Java agent injection path allows a local attacker controlling a Java workload to overwrite arbitrary host files when Java injection is enabled and OBI is...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via the findTempDir and copyAgent processes. An attacker can overwrite arbitrary files on the host system by controlling the TMPDIR environment variable in a Java process and leveraging symlink manipulation. This is only...

OpenTelemetry eBPF Instrumentation: Privileged Java agent injection allows arbitrary host file overwrite via untrusted TMPDIR

Summary A flaw in the Java agent injection path allows a local attacker controlling a Java workload to overwrite arbitrary host files when Java injection is enabled and OBI is running with elevated privileges. The injector trusted TMPDIR from the target process and used unsafe file creation...

PT-2026-35073

Name of the Vulnerable Software and Affected Versions OpenTelemetry eBPF Instrumentation versions 0.4.0 through 0.7.x Description A flaw in the Java agent injection path allows a local attacker controlling a Java workload to overwrite arbitrary host files when Java injection is enabled and the...