CVE-2026-112006
Published:October 18, 2026
Updated:October 19, 2026
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.
Affected Packages
opentelemetry-exporter-otlp-proto-http (CONDA):
Affected version(s) =1.44.0 <1.45.0Fix Suggestion:
Update to version 1.45.0https://github.com/open-telemetry/opentelemetry-python.git (GITHUB):
Affected version(s) =v1.44.0 <v1.45.0Fix Suggestion:
Update to version v1.45.0opentelemetry-exporter-otlp-proto-http (PYTHON):
Affected version(s) =1.44.0 <1.45.0Fix Suggestion:
Update to version 1.45.0Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Certificate Validation
EPSS
Base Score:
0.21