🛡️ CVE-2026-21226 on PyPI (Root.io) — azure-core

🟠 CVSS 8.0 — High ✅ No Known Exploit OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-21226 in azure-core - Patched by Root

Root has patched CVE-2026-21226 in the azure-core package for Root:PyPI. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-21226 as tracked by PyPI (Root.io), for the package azure-core. The fix is available in version 1.35.0+aikido.5; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

ROOT-APP-PYPI-CVE-2026-21226 is recorded against 2 packages.

  • azure-core (fixed in 1.35.0+aikido.5)
  • rootio-azure-core (fixed in 1.35.0+root.io.2)

Timeline and source

Published on 4 August 2026 and last revised on 9 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-21226 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-04
Updated 2026-08-12
Modified 2026-08-09
Fix URL N/A

Affected Packages

Software From version Fixed in
azure-core — 1.35.0+aikido.5
rootio-azure-core — 1.35.0+root.io.2

References

N/A

Similar Threats

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