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  4. CVE 2026 112006 opentelemetry opentelemetry exporter otlp proto
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Back to active CVEs
High · CVSS 8.3CVE-2026-112006

OpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 Improper Certificate ValidationCVE-2026-112006

Answer in brief

CVE-2026-112006 records a High severity (CVSS 8.3) vulnerability in OpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 Improper Certificate Validation. The current sources do not mark it as known exploited. The current feed maps OpenTelemetry/opentelemetry-exporter-otlp-proto-http (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 18, 2026Updated Oct 18, 2026Source checked Oct 18, 2026First seen by HOL Oct 18, 2026Material review Oct 18, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps OpenTelemetry/opentelemetry-exporter-otlp-proto-http (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
OpenTelemetry/opentelemetry-exporter-otlp-proto-httpgeneric>=1.5.0 <1.45.01.45.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for OpenTelemetry/opentelemetry-exporter-otlp-proto-http.
  2. 2Review the reported fix. Update OpenTelemetry/opentelemetry-exporter-otlp-proto-http to 1.45.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 18, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-295
Source
CVE List V5
Source checked
Oct 18, 2026
References
5 linked sources
Open source record