CVE-2026-56859: Add recursion depth guard during decode in encoding/xml

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-20

EPSS Score

0.48% (percentile: 39.8%)

Affected Products (5)

Other

• 18315-17084
• 21660-17084
• 21676-17084
• 19693-17084
• 21021-17084

Revision History

• 2026-08-20: Information published.