Input validation error in Helm - CVE-2020-15186
Published: September 18, 2020 / Updated: April 9, 2026
Vulnerability identifier: #VU47087
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N]
CVE-ID: CVE-2020-15186
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to improper input validation when handling plugin names. A remote attacker can trick the victim into using a specially crafted plugin to spoof output of the helm --help command.
Affected software
Helm
How to mitigate CVE-2020-15186
Install update from vendor's website.
Helm - addressed in versions 2.16.11, 3.3.2