open-telemetry opentelemetry-ebpf-instrumentation up to 0.8.x MongoDB TCP Parser denial of service

Summaryinfo

A vulnerability marked as problematic has been reported in open-telemetry opentelemetry-ebpf-instrumentation up to 0.8.x. Affected by this issue is some unknown functionality of the component MongoDB TCP Parser. The manipulation leads to denial of service. This vulnerability is listed as CVE-2026-45685. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in open-telemetry opentelemetry-ebpf-instrumentation up to 0.8.x. It has been rated as problematic. This issue affects an unknown code of the component MongoDB TCP Parser. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.1.0 to before version 0.9.0, malformed MongoDB wire messages can trigger uncaught panics in the MongoDB TCP parser, allowing a remote unauthenticated attacker to crash the telemetry agent and cause a denial of service. The parser operates on raw attacker-controlled network payloads before the input is fully validated, so a single crafted message can terminate telemetry collection for the affected process or node. This issue has been patched in version 0.9.0.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-45685 since 05/13/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 326329 (SUSE SLED15 / SLES15 Security Update : alloy (SUSE-SU-2026:2824-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.9.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (326329). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• open-telemetry

Name

• opentelemetry-ebpf-instrumentation

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8

Website

• Product: https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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