What is CVE-2026-34591?

CVE-2026-34591 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Poetry Has Wheel Path Traversal Which Can Lead to Arbitrary File Write

Which CVE IDs does CVE-2026-34591 cover?

CVE-2026-34591 covers the following CVE IDs: CVE-2026-34591. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-34591?

CVE-2026-34591 affects 2 products, including: azl3 poetry 1.8.3-1 on Azure Linux 3.0; azl3 poetry 1.8.5-1 on Azure Linux 3.0.

CVE-2026-34591High

Poetry Has Wheel Path Traversal Which Can Lead to Arbitrary File Write

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-34591 →

🎯 Affected products2

azl3 poetry 1.8.3-1 on Azure Linux 3.0
azl3 poetry 1.8.5-1 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 1.8.5-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34591
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade