github.com/kcp-dev/kcp
CriticalGoCVE-2026-61682
What to do
Update github.com/kcp-dev/kcp to 0.31.4 or later.
go get github.com/kcp-dev/kcp@v0.31.4
An authentication bypass flaw affects the Go package github.com/kcp-dev/kcp. Affected versions: < 0.31.4. Fixed from version 0.31.4. CVSS score 9.9.
What the flaw allows: Restricted access can be obtained without valid credentials.
- Package
- github.com/kcp-dev/kcp
- Ecosystem
- Go modules
- Class
- Authentication bypass
- Affected versions
- < 0.31.4
- CVSS
- 9.9
- Published on
- September 18, 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.