> CVE-2026-81870 [LOW]

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PUBLISHED
2026-09-16 20:17
MODIFIED
2026-09-16 20:17
CVSS_SCORE V3
2.0
EPSS (Prob. Exploit)
0.19%
Top 91.4%
DATA SOURCES:
NVD đź”— 2026-09-16 CWE MITRE đź”— 2026-10-01 FIRST EPSS đź”— 2026-10-18 GITHUB đź”— 2026-10-15 OSV đź”— 2026-10-19 MSRC đź”— 2026-09-20

> DESCRIPTION

OpenTelemetry-Go is the Go implementation of OpenTelemetry. From version 1.5.0 to 1.44.0, sdk/trace.NewTracerProvider emits a TracerProvider created internal Info-level diagnostic event whose MarshalLog implementations recursively include span processor, exporter, and client configuration. Applications that call otel.SetLogger to enable OpenTelemetry internal Info logging can therefore record OTLP gRPC and HTTP collector endpoints, the OTLP HTTP Insecure flag, and complete Zipkin collector URLs. A person or system with access to those logs can learn internal collector topology and can recover credentials or tokens embedded in Zipkin URL user information or query strings. The default OpenTelemetry logger does not emit the event, and this path does not log OTLP authentication headers, TLS key material, or span payloads. This issue is fixed in version 1.45.0.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Local (L)
Exploit nécessite un accès local au système
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
Low (L)
Divulgation limitée d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
Low
Divulgation limitée d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-200 CWE-532

> CWE DETAILED DESCRIPTIONS

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor - The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | CWE-532: Insertion of Sensitive Information into Log File - The product writes sensitive information to a log file.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.20.1
cert-manager Operator for Red Hat OpenShift 1.20.1
Red Hat Security Advisory: cert-manager Operator for Red Hat OpenShift 1.20.1
cert-manager Operator for Red Hat OpenShift 1.20.1

> GITHUB SECURITY ADVISORY

GHSA-8wmf-6v46-5gfg LOW

OpenTelemetry-Go: Exporter config logging may leak endpoint URLs in info logs

AFFECTED PACKAGES:
GO / go.opentelemetry.io/otel/exporters/zipkin
>= 1.5.0, <= 1.44.0
Fixed in: 1.45.0
GO / go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
>= 1.5.0, <= 1.44.0
Fixed in: 1.45.0
GO / go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
>= 1.5.0, <= 1.44.0
Fixed in: 1.45.0
GO / go.opentelemetry.io/otel/exporters/otlp/otlptrace
>= 1.5.0, <= 1.44.0
Fixed in: 1.45.0
GO / go.opentelemetry.io/otel/sdk
>= 1.5.0, <= 1.44.0
Fixed in: 1.45.0

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

OpenTelemetry-Go: Exporter config logging may leak endpoint URLs in info logs

AFFECTED PACKAGES:
Unknown / Unknown
1408 versions affected
ALIASES:
GHSA-8wmf-6v46-5gfg, GO-2026-6505

> HISTORIQUE DES MODIFICATIONS

Première apparition
16/09/2026 20:17
Source: NVD
📊 ENRICHISSEMENT 01/10/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor - The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | CWE-...
Total des modifications: 1 Dernière mise à jour: 3 weeks ago

> REFERENCES

https://github.com/open-telemetry/opentelemetry-go/commit/3a1412d2b3bc4e4231fbea...
https://github.com/open-telemetry/opentelemetry-go/pull/8438
https://github.com/open-telemetry/opentelemetry-go/releases/tag/exporters/zipkin...
https://github.com/open-telemetry/opentelemetry-go/releases/tag/sdk/v1.45.0
https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-8wmf...
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