msgpack5
HighnpmCVE-2026-107302
What to do
Update msgpack5 to 6.1.0 or later.
npm install msgpack5@6.1.0
A security flaw affects the npm package msgpack5. Affected versions: < 6.1.0. Fixed from version 6.1.0. CVSS score 7.5.
What the flaw allows: See the advisory for the impact details.
- Package
- msgpack5
- Ecosystem
- npm (JavaScript)
- Class
- Other
- Affected versions
- < 6.1.0
- CVSS
- 7.5
- Published on
- October 8, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.