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CVE-2026-41433

8.4 · HIGH

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard.

Published Apr 24, 2026CWE-22EPSS 0.22%

Overview

CVE-2026-41433 is a high-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 8.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.8.0GitHubgithub.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-8gmg-3w2q-65f4GitHubgithub.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-8gmg-3w2q-65f4

How CyberStrike helps

Frequently asked questions

What is CVE-2026-41433?

CVE-2026-41433 is a high-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 8.4 (HIGH).

How severe is CVE-2026-41433?

This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-41433?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-41433?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-41433 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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