CVE-2026-62369

8.1 HIGHpublic exploit available

Published 2026-09-21 · Updated 2026-09-24

AI risk analysis

Summary: The flaw allows an attacker to write or overwrite files with elevated privileges by exploiting improperly validated archive entries, potentially leading to persistent system modification or code execution.
Exploitability: Exploitation requires a compromised, replaced, or untrusted archive download source and a Windows edge node. The attacker must have the ability to influence the archive content.
Blast radius: If exploited, the issue could enable persistent system modification or code execution, impacting the security and integrity of the affected KubeEdge installation.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to KubeEdge version 1.21.2, 1.22.2, or 1.23.1.

rcefile-overwritearchive-validationwindows

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. From 1.16.0 until 1.21.2, 1.22.2, and 1.23.1, the DecompressTarGz function in keadm/cmd/keadm/app/cmd/util/common.go joins archive entry names to the extraction destination without sufficient validation. During keadm join or installation on Windows edge nodes, an archive influenced through a compromised, replaced, or untrusted download source can contain parent-directory components, Windows-style backslashes, absolute paths, or drive-prefixed paths that escape the intended directory. The affected keadm process can consequently write or overwrite files with its own privileges, potentially modifying configuration, executable, or service files and enabling persistent system modification or code execution. This issue is fixed in versions 1.21.2, 1.22.2, and 1.23.1.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Weaknesses

CWE-22

Public exploit & PoC references

References

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.