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...

EUVD-2026-49956

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-2026-47768

CVE-2026-47768 affects nebula-mesh up to and including v0.3.1, where newly minted operator API keys are exposed in the redirect URL?new_key and related query strings. The root cause is tokens being placed in the URL during the handleOperatorCreateAPIKey flow, making them observable via the browse...

CVE-2026-48025

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

CVE-2026-47726 nebula-mesh: GET /api/v1/audit-log discloses all entries to any operator

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-2026-49942

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...

CVE-2026-47725

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/ POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits bu...

EUVD-2026-49939

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/ POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits bu...

CVE-2026-47725 nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/ POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits bu...

CVE-2026-48025 nebula-mesh: Decrypted CA private key persists in heap after signing

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

CVE-2026-48025 nebula-mesh: Decrypted CA private key persists in heap after signing

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

CVE-2026-48025 nebula-mesh: Decrypted CA private key persists in heap after signing

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

EUVD-2026-49931

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

CVE-2026-48025

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

CVE-2026-48025

CVE-2026-48025 (nebula-mesh) describes a memory-safety issue in versions prior to 0.3.7 where decrypted CA private keys (ed25519.PrivateKey) are constructed and stored in memory by the CAManager and not wiped after use. The problem arises when internal/pki/resolver.go constructs CAManager with th...

CVE-2026-47768: Use of GET Request Method With Sensitive Query Strings

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-2026-47726: Improper Authorization

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...

PT-2026-65683

Name of the Vulnerable Software and Affected Versions Cosmos-Server affected versions not specified Description An authentication bypass exists in the tokenMiddleware function within src/proxy/routerGen.go. The issue occurs when the Constellation-tunnel bypass branch is triggered, causing the...

CVE-2026-49258: Authorization Bypass Through User-Controlled Key

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-2026-48058: Sensitive Cookie in HTTPS Session Without '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...