Integer overflow in Open-telemetry Opentelemetry-ebpf-instrumentation
CVE-2026-45686
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.7.0 to before version 0.9.0, a remotely reachable integer overflow in OBI's memcached text protocol parser can crash the O…
Vulnerability class: Integer Overflow
EPSS: 0.001 (15.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Open-telemetry Opentelemetry-ebpf-instrumentation — versions >= 0.7.0, < 0.9.0
- Opentelemetry Ebpf_instrumentation
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-45686?
- CVE-2026-45686 is a high-severity vulnerability in Open-telemetry Opentelemetry-ebpf-instrumentation, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-06-02.
- How severe is CVE-2026-45686?
- High severity. CVSS v3 base score is 7.5 out of 10.