CVE-2026-112006
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Opentelemetry-exporter-otlp-proto-http
PublishedOct 18, 2026
First seenOct 18, 2026
Weakness typeCWE-295CWE-295
How to fix
Update
- OpenTelemetry opentelemetry-exporter-otlp-proto-http1.45.0 or later
Patches
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| OpenTelemetry opentelemetry-exporter-otlp-proto-http | 1.5.0 ≤ v < 1.45.0 | 1.45.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.