CVE-2026-112006
mediumOpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 contains an improper certificate validation vulnerability that disables TLS verificati…
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/open-telemetry/opentelemetry-python/blob/v1.44.0/exporter/opentelemetry... disclosure@vulncheck.com
- https://github.com/open-telemetry/opentelemetry-python/blob/v1.44.0/exporter/opentelemetry... disclosure@vulncheck.com
- https://github.com/open-telemetry/opentelemetry-python/commit/89cc68b9ea7e15969b4f042d6339... disclosure@vulncheck.com
- https://github.com/open-telemetry/opentelemetry-python/releases/tag/v1.45.0 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/opentelemetry-opentelemetry-exporter-otlp-proto-http-... disclosure@vulncheck.com