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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-295"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112006.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "1.5.0"
},
{
"fixed": "1.45.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "89cc68b9ea7e15969b4f042d63397bdc74a3d60e"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v1.45.0",
"range": [
{
"fixed": "4f0fcfa53e53a8c654a34df0d0a1fd74483ebca2"
}
],
"source": "REFERENCES_TAG"
}
]
}