CVE-2026-57438: Nokogiri: Possible Use-After-Free in XInclude Processing

Overview

Severity

Medium (CVSS 6.6)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-27

EPSS Score

0.09% (percentile: 0.7%)

Affected Products (1)

Other

• 21473-17084

Revision History

• 2026-06-27: Information published.