CVE-2026-86543

Sažetak

knowns versions before 0.30.0 serve the management API without authentication on all network interfaces by default, with no password required on fresh installations. Attackers can access the unauthenticated /api/tunnel/start endpoint to provision a public tunnel and republish the API at a publicly accessible address.

Reference

https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/cli/browser.go#L193-L200
https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/server/auth.go#L80-L86
https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/server/routes/tunnel.go#L26-L38
https://github.com/knowns-dev/knowns/commit/878a02cb7cc14f0a592fdfda7a520af3cac500fb
https://github.com/knowns-dev/knowns/releases/tag/v0.30.0
https://github.com/knowns-dev/knowns/security/advisories/GHSA-fc85-99vc-9c75
https://www.vulncheck.com/advisories/knowns-before-0.30.0-unauthenticated-management-api-exposure

CVSS

Base:	9.8
Impact:	5.9
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
NETWORK	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
HIGH	HIGH	HIGH

CVSS vektor

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

Zadnje važnije ažuriranje

07-09-2026 - 23:16

Objavljeno

07-09-2026 - 23:16