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EUVD-2026-81262Published

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to version 0.21.0, the exporters/otlp/otlplog/otlploggrpc package loads OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE, OTEL_EXPORTER_OTLP_CERTIFICATE, and related client certificate en…

Exact source revision recorded 28 Oct 2026 09:44:47 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2026-81262

Published

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Prior to version 0.21.0, the exporters/otlp/otlplog/otlploggrpc package loads OTEL_EXPORTER_OTLP_LOGS_CERTIFICATE, OTEL_EXPORTER_OTLP_CERTIFICATE, and related client certificate environment variables through loadEnvTLS into cfg.tlsCfg, but newGRPCDialOptions does not apply cfg.tlsCfg when creating gRPC transport credentials. The environment-only TLS path instead uses credentials.NewTLS with system roots and no configured client certificate, bypassing intended private CA pinning and mutual TLS unless the application also supplies WithTLSCredentials. A network attacker able to intercept or spoof the collector connection with a system-trusted certificate can read or alter log telemetry. This issue is fixed in version 0.21.0.

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Sep 16, 2026, 8:43:40 PM

dateUpdated: Sep 17, 2026, 7:24:00 PM

27 related source bulletins · separate from aliases

RHSA-2026:68729: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-56851 · CVE-2026-63209 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-93450

RHSA-2026:68932: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871

RHSA-2026:68926: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-14199 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-92599

openSUSE-SU-2026:11875-1: helm-4.3.0-3.1 on GA media

CVE-2026-81871 · CVE-2026-81872

openSUSE-SU-2026:22010-1: Security update for distribution

CVE-2026-81871 · CVE-2026-81872

msrc_CVE-2026-81871: OpenTelemetry-Go: Log gRPC exporter ignores env TLS certs, bypassing mTLS/pinning

CVE-2026-81871

SUSE-SU-2026:23984-1: Security update for helm

CVE-2026-33814 · CVE-2026-35204 · CVE-2026-35205 · CVE-2026-35206 · CVE-2026-41178 · CVE-2026-41888 · CVE-2026-48978 · CVE-2026-50151 · CVE-2026-50163 · CVE-2026-56852 · CVE-2026-56854 · CVE-2026-56855 · CVE-2026-56864 · CVE-2026-56865 · CVE-2026-78662 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-85732

RHSA-2026:68912: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871

RHSA-2026:74865: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871

RHSA-2026:68903: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871

RHSA-2026:68715: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871 · CVE-2026-81872

RHSA-2026:68821: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-28374 · CVE-2026-28376 · CVE-2026-28379 · CVE-2026-28380 · CVE-2026-28383 · CVE-2026-33376 · CVE-2026-33377 · CVE-2026-33378 · CVE-2026-33380 · CVE-2026-33381 · CVE-2026-61709 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-92599

SUSE-SU-2026:23973-1: Security update for helm

CVE-2026-33814 · CVE-2026-35204 · CVE-2026-35205 · CVE-2026-35206 · CVE-2026-41178 · CVE-2026-41888 · CVE-2026-48978 · CVE-2026-50151 · CVE-2026-50163 · CVE-2026-56852 · CVE-2026-56854 · CVE-2026-56855 · CVE-2026-56864 · CVE-2026-56865 · CVE-2026-78662 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-85732

RHSA-2026:68777: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-61709 · CVE-2026-81871

SUSE-SU-2026:23990-1: Security update for distribution

CVE-2026-81871 · CVE-2026-81872

openSUSE-SU-2026:21983-1: Security update for helm

CVE-2026-33814 · CVE-2026-35204 · CVE-2026-35205 · CVE-2026-35206 · CVE-2026-41178 · CVE-2026-41888 · CVE-2026-48978 · CVE-2026-50151 · CVE-2026-50163 · CVE-2026-56852 · CVE-2026-56854 · CVE-2026-56855 · CVE-2026-56864 · CVE-2026-56865 · CVE-2026-78662 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-85732

openSUSE-SU-2026:11872-1: distribution-registry-3.1.1-8.1 on GA media

CVE-2026-81871 · CVE-2026-81872

RHSA-2026:68716: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871 · CVE-2026-81872

openSUSE-SU-2026:12114-1: alloy-1.20.1-1.1 on GA media

CVE-2026-14362 · CVE-2026-63209 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-84303 · CVE-2026-84304 · CVE-2026-84445

RHSA-2026:74948: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-56851 · CVE-2026-81871

RHSA-2026:68778: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-28374 · CVE-2026-28376 · CVE-2026-28379 · CVE-2026-28380 · CVE-2026-28383 · CVE-2026-33376 · CVE-2026-33377 · CVE-2026-33378 · CVE-2026-33380 · CVE-2026-33381 · CVE-2026-42127 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-92599

openSUSE-SU-2026:11892-1: helm3-3.22.0-2.1 on GA media

CVE-2026-81871 · CVE-2026-81872

RHSA-2026:68905: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871 · CVE-2026-81872

RHSA-2026:68910: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871 · CVE-2026-81872

SUSE-SU-2026:24282-1: Security update for helm

CVE-2026-33814 · CVE-2026-35204 · CVE-2026-35205 · CVE-2026-35206 · CVE-2026-41178 · CVE-2026-41888 · CVE-2026-48978 · CVE-2026-50151 · CVE-2026-50163 · CVE-2026-56852 · CVE-2026-56854 · CVE-2026-56855 · CVE-2026-56864 · CVE-2026-56865 · CVE-2026-63209 · CVE-2026-78662 · CVE-2026-81870 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-85732

RHSA-2026:68717: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-56851 · CVE-2026-63209 · CVE-2026-81871 · CVE-2026-81872 · CVE-2026-93450

RHSA-2026:68941: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

CVE-2026-81871

Source published
Sep 16, 2026, 8:43:40 PM (timezone not stated)
Source modified
Sep 17, 2026, 7:24:00 PM (timezone not stated)
Observed here
28 Oct 2026 09:44:47 UTC
Source terms
ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.

EUVD CVSS 4.0 · 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 09:03 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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