CVE-2026-112006
MEDIUM
CVSS 6.5
Published: 2026-10-18
Modified: 2026-10-19
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Description
OpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 contains an improper certificate validation vulnerability that disables TLS verification when OTEL_EXPORTER_OTLP_CERTIFICATE variables are empty strings. Man-in-the-middle attackers can impersonate the collector to read or alter exported traces, metrics, and logs, including authentication headers from OTEL_EXPORTER_OTLP_HEADERS.
Quick Facts
| CVE ID | CVE-2026-112006 |
| CVSS Score | 6.5 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N |
| Published | 2026-10-18 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/open-telemetry/opentelemetry-python/blob/…
- https://github.com/open-telemetry/opentelemetry-python/blob/…
- https://github.com/open-telemetry/opentelemetry-python/commi…
- https://github.com/open-telemetry/opentelemetry-python/relea…
- https://www.vulncheck.com/advisories/opentelemetry-opentelem…