CVE-2026-44967

CVE-2026-44967

OpenTelemetry-cpp is the C++ implementation of OpenTelemetry. Prior to release 1.27.0, the OTLP HTTP exporters (traces/metrics/logs) read the full HTTP response into an in-memory vector of bytes without a size cap. This is exploitable for…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44967?
CVE-2026-44967 is a medium-severity vulnerability, classified under CWE-789. CVSS score: 5.3/10. Published 2026-06-12.
How severe is CVE-2026-44967?
Medium severity. CVSS v3 base score is 5.3 out of 10.