What is CVE-2026-81871?

CVE-2026-81871 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. OpenTelemetry-Go: Log gRPC exporter ignores env TLS certs, bypassing mTLS/pinning

Which CVE IDs does CVE-2026-81871 cover?

CVE-2026-81871 covers the following CVE IDs: CVE-2026-81871. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-81871?

CVE-2026-81871 affects 2 products, including: azl3 azurelinux-image-tools 1.6.0-2 on Azure Linux 3.0; azl3 azurelinux-image-tools 1.6.0-3 on Azure Linux 3.0.

CVE-2026-81871Medium

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

Vendor

Microsoft Security Response Center (MSRC)

Published

September 19, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-81871 →

🎯 Affected products2

azl3 azurelinux-image-tools 1.6.0-2 on Azure Linux 3.0
azl3 azurelinux-image-tools 1.6.0-3 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update) Security Update

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81871
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade