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  5. CVE-2026-45685

CVE-2026-45685: OpenTelemetry eBPF Instrumentation: MongoDB parser panics on malformed wire messages

May 18, 2026 (updated June 9, 2026)

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.

References

  • github.com/advisories/GHSA-j8p6-96vp-f3r9
  • github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0
  • github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-j8p6-96vp-f3r9
  • nvd.nist.gov/vuln/detail/CVE-2026-45685

Code Behaviors & Features

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Affected versions

All versions before 0.9.0

Fixed versions

  • 0.9.0

Solution

Upgrade to version 0.9.0 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation
  • CWE-248: Uncaught Exception
  • CWE-704: Incorrect Type Conversion or Cast

Source file

go/go.opentelemetry.io/obi/CVE-2026-45685.yml

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