CVE-2026-63308: Helm Files.Lines Denial of Service via Empty Chart Files

Overview

Severity

Medium (CVSS 4.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-23

EPSS Score

0.23% (percentile: 14.4%)

Affected Products (1)

Other

• 21426-17084

Revision History

• 2026-07-23: Information published.