GHSA-2RX5-2G7J-2659 Cosmos-Server has an authentication bypass via forward-auth header smuggling on Constellation tunnel

Summary The Constellation-tunnel bypass branch in tokenMiddleware at src/proxy/routerGen.go:53-66 returns to the upstream handler before the request's x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers are stripped at lines 68-72, and before the AdminOnlyWithRedirect gate ...

Cosmos-Server has an authentication bypass via forward-auth header smuggling on Constellation tunnel

Summary The Constellation-tunnel bypass branch in tokenMiddleware at src/proxy/routerGen.go:53-66 returns to the upstream handler before the request's x-cosmos-user, x-cosmos-role, x-cosmos-user-role, and x-cosmos-mfa headers are stripped at lines 68-72, and before the AdminOnlyWithRedirect gate ...

GHSA-259R-337F-4RFW vulnerabilities

Vulnerabilities for packages: kaf, zot, k3s, prometheus-operator, backup-restore-operator, cert-manager, telegraf, kyverno, terraform, minio, nerdctl, spire-server, containerd, zitadel, cilium, flux, reports-server, prometheus, loki, elastic-agent-fips, snyk-cli, prometheus-mongodb-exporter, k3d,...

GHSA-259R-337F-4RFW vulnerabilities

Vulnerabilities for packages: kyverno, containerd, kaf, kots, zot, spire-server, kine, snyk-cli, flux, telegraf, minio, loki, k3s, nerdctl, prometheus-operator, aactl, k3d...

CVE-2026-49258

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-47768

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, newly-minted operator API key exposed in redirect URL Referer, history, proxy logs. This issue has been patched in version 0.3.2...

CVE-2026-48058

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped...

CVE-2026-47726

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/api/audit.go:12 — handleGetAuditLog does no admin check. The route is bearer-auth gated only; any operator API key returns the full audit log via store.ListAuditEntries up to...

EUVD-2026-49992

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-49258

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-49258 Nebula Mesh: Web UI lacks ownership checks, enabling cross-operator access to hosts and networks (read, block, delete)

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-49258 Nebula Mesh: Web UI lacks ownership checks, enabling cross-operator access to hosts and networks (read, block, delete)

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-49258 Nebula Mesh: Web UI lacks ownership checks, enabling cross-operator access to hosts and networks (read, block, delete)

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-49258

Nebula Mesh Web UI contains ownership checks gaps in versions ≤ 0.3.5, allowing authenticated non-admin operators to access, block, or delete resources across operators via endpoints such as /ui/hosts/{id}/block, /ui/hosts/{id}, /ui/hosts, /ui/networks, and /ui/events. The root cause is improper ...

CVE-2026-48058 nebula-mesh: Session and OIDC state cookies lack the Secure attribute

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped...

CVE-2026-48058

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped...

EUVD-2026-49991

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped...

CVE-2026-48058 nebula-mesh: Session and OIDC state cookies lack the Secure attribute

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin operator on a LAN, mistyped...

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...

Check Point SmartConsole Authentication Bypass Technical Analysis (CVE-2026-16232)

Overview On July 22, 2026, Check Point published a security advisory for CVE-2026-16232, an authentication bypass in the SmartConsole login process affecting Security Management Server and Multi-Domain Security Management Server MDS. By leveraging CVE-2026-16232, an unauthenticated attacker can...