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Vulnerability record · CVE-2026-41433 · published 24 April 2026

CVE-2026-41433: Opentelemetry ebpf instrumentation path traversal vulnerability

Opentelemetry · Opentelemetry Ebpf Instrumentation

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 running with elevated privileges. The injector trusted TMPDIR from the target process and used unsafe file creation semantics, enabling both filesystem boundary escape and symlink-based file clobbering. This vulnerability is fixed in 0.8.0.

8.4 CVSS 3.1 High EPSS 0.22% · top 89.2% CWE-22 · Path traversalCWE-59 · Link following
8.4CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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 running with elevated privileges. The injector trusted TMPDIR from the target process and used unsafe file creation semantics, enabling both filesystem boundary escape and symlink-based file clobbering. This vulnerability is fixed in 0.8.0.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.8.0 Release Notes
https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-8gmg-3w2q-65f4 ExploitThird Party Advisory
https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-8gmg-3w2q-65f4 ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-41433), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.