CVE-2026-107301: msgpack5: Partial options disable prototype protection

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-10

EPSS Score

0.37% (percentile: 28.5%)

Affected Products (1)

Other

• 21665-17084

Revision History

• 2026-10-10: Information published.