What is CVE-2026-5223?

CVE-2026-5223 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. Crates in third party registries can override the cached source of other crates

Which CVE IDs does CVE-2026-5223 cover?

CVE-2026-5223 covers the following CVE IDs: CVE-2026-5223. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-5223?

CVE-2026-5223 affects 4 products, including: azl3 rust 1.75.0-28 on Azure Linux 3.0; azl3 rust 1.75.0-29 on Azure Linux 3.0; azl3 rust 1.90.0-7 on Azure Linux 3.0; azl3 rust 1.90.0-8 on Azure Linux 3.0.

CVE-2026-5223Low

Crates in third party registries can override the cached source of other crates

Vendor

Microsoft Security Response Center (MSRC)

Published

May 28, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-5223 →

🎯 Affected products4

azl3 rust 1.75.0-28 on Azure Linux 3.0
azl3 rust 1.75.0-29 on Azure Linux 3.0
azl3 rust 1.90.0-7 on Azure Linux 3.0
azl3 rust 1.90.0-8 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 1.90.0-9 KBCBL-Mariner Releases (Security Update) — fixed build 1.75.0-30

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5223
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade