CVE-2026-48058

Summary of CVE-2026-48058 (nebula-mesh) nebula-mesh (Slack Nebula mesh control plane) versions prior to 0.3.2 expose a cookie security flaw: internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on cookies but omit the Secure attribute. A plaintext HTTP request to the ori...

Sensitive Cookie in HTTPS Session Without "Secure" Attribute

Overview Affected versions of this package are vulnerable to Sensitive Cookie in HTTPS Session Without "Secure" Attribute due to the lack of the Secure attribute on session and OIDC state cookies in the authentication process. An attacker can recover session cookies and impersonate a user or enab...