[GH-ISSUE #5444] No 'Access-Control-Allow-Origin' header is present on the requested resource on NetBird Cloud #10566

New Issue

saavagebueno · 2026-08-05T01:26:25-04:00

saavagebueno commented

2026-08-05 01:26:25 -04:00

Originally created by @xynanlee on GitHub (Feb 25, 2026).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/5444

Describe the problem

I randomly get CORS error when using Netbird Cloud.

To Reproduce

Steps to reproduce the behavior:

Go to 'app.netbird.io'
Login
Management page not loaded and see error

Expected behavior

The management page should load.

Are you using NetBird Cloud?

I'm using NetBird Cloud.

Is any other VPN software installed?

Yes, I have another instance of Wireguard. But I have stopped it.

Screenshots

Additional context

n/a

Originally created by @xynanlee on GitHub (Feb 25, 2026). Original GitHub issue: https://github.com/netbirdio/netbird/issues/5444 **Describe the problem** I randomly get CORS error when using Netbird Cloud. **To Reproduce** Steps to reproduce the behavior: 1. Go to 'app.netbird.io' 2. Login 4. Management page not loaded and see error **Expected behavior** The management page should load. **Are you using NetBird Cloud?** I'm using NetBird Cloud. **Is any other VPN software installed?** Yes, I have another instance of Wireguard. But I have stopped it. **Screenshots** <img width="1317" height="237" alt="Image" src="https://github.com/user-attachments/assets/c2a53e7e-6528-4a2e-96a0-1c58564b1ce2" /> **Additional context** `n/a`

saavagebueno added the triage-needed label 2026-08-05 01:26:25 -04:00

saavagebueno closed this issue

2026-08-05 01:26:25 -04:00

saavagebueno commented

2026-08-05 01:26:26 -04:00

@Ojoachim71 commented on GitHub (Feb 25, 2026):

I am not able to login to the cloud dashboard. Only showing netbird logo heartbeating.

@Ojoachim71 commented on GitHub (Feb 25, 2026): I am not able to login to the cloud dashboard. Only showing netbird logo heartbeating.

saavagebueno commented

2026-08-05 01:26:26 -04:00

@maxschipper commented on GitHub (Feb 25, 2026):

https://status.netbird.io/

@maxschipper commented on GitHub (Feb 25, 2026): https://status.netbird.io/

saavagebueno commented

2026-08-05 01:26:26 -04:00

@xynanlee commented on GitHub (Feb 25, 2026):

It back online, closing this issue.

@xynanlee commented on GitHub (Feb 25, 2026): It back online, closing this issue.

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Branches Tags

main

claude/agent-network-test-cases-p743vw

android/gui-integration

revert/component-types

feat-post_quantum_ml_kem

ice-stun-wg-demux

dependabot/npm_and_yarn/proxy/web/npm_and_yarn-b39864987c

agent-network-setup-poc

dependabot/go_modules/aws-sdk-8f849ebaed

dependabot/github_actions/actions-a940c7c866

dependabot/go_modules/otel-e34c790afd

dependabot/go_modules/testcontainers-de325c0dd6

dependabot/go_modules/wireguard-dbd6b95108

dependabot/go_modules/pion-5f703e1eca

dependabot/go_modules/gorm-2271c8195b

fix-login-needed-check

dependabot/go_modules/google.golang.org/grpc-1.82.1

fix/ui-gtk3-support

enterprise-traefik-and-migration-fixes

disambiguate_p2p_metrics

revert/component-types-hookup

embedded-vnc

feature/ios-ssh

docs/agent-network-docs-update

dependabot/go_modules/github.com/aws/aws-sdk-go-v2/service/s3-1.106.3

dependabot/go_modules/github.com/pion/stun/v3-3.1.5

fix-ssh-authorized-users-multi-rule

peer-acl-multi-source

reverse-proxy-crowdsec-appsec

reverse-proxy-allow-match-or

client-local-metrics

lazy-conn-per-peer

lazy-conn-rosenpass

dependabot/go_modules/github.com/gopacket/gopacket-1.7.0

dependabot/go_modules/goauthentik.io/api/v3-3.2026050.6

dependabot/go_modules/github.com/pires/go-proxyproto-0.15.0

dependabot/go_modules/github.com/jackc/pgx/v5-5.10.0

dependabot/go_modules/github.com/oapi-codegen/runtime-1.6.0

dependabot/go_modules/github.com/eko/gocache/lib/v4-4.2.4

dependabot/go_modules/github.com/pkg/sftp-1.13.11

dependabot/go_modules/github.com/coreos/go-oidc/v3-3.20.0

ssh-windows-privilege-check

fix/explicit-cors-handling

fix/remove-math-rand

test/gui-memory-leak-fix

fix/ui-status-dispatch

install-script-ui-dependencies

fix/grpc-get-network-map

fix/subscribe-status-coalesce

fix/tray-menu-item-leak

fix/windows-tray-race

feature/changeset

worktree-dns-route-qtype-fallthrough

mdm_integration

mlsmaycon-patch-2

feat/agent-network-ollama

proxy-tunnel-cache-ttl-env

coderabbitai/utg/1e5b0a5

grpc-acl

test/battery-drain

components-impl-drop-indexes-use-xids-no-resource-policy-map

fix/nmap-relevant-groups

e2e-guardrail-blocks-unselected-model

fix/lazyconn-cold-start-allowed-ips

vertex-guardrails-model-access-e2e

add-atomic-cache-ops

refactor/relay-foreign-cache

ci/trigger-release-tests

feature/kimi-3-agent-networks-dns-warmup

feature/dns-lazy-conn-warmup

daemon-ipc-acl

feature/ui-translation-key-parity-check

refactor/relay-foreign-cache-tests

fix/lazyconn-idle-keep-wg-peer

dmitri-propagate-auth-grant-types-on-combined

0.74.7-branch

diagnose-empty-vs-corrupt-state

windows-sleep-detector

fix/cli-up-wait-for-daemon

rp_key_persistency

feature/native-grpc

0.74.6-branch

0.74.6-branch-sync

0.74.5-branch-sync

0.74.4-branch

fix/remove-stale-peers-removal

fix/remove-stale-proxy-logic

fix/nsis-preserve-autostart-on-upgrade

refactor/peer-event-bus

dependabot/go_modules/goauthentik.io/api/v3-3.2026050.3

dependabot/go_modules/github.com/pkg/sftp-1.13.10

components-impl-drop-indexes

fix-reset-aggregation-window-flake

dependabot/go_modules/github.com/pion/dtls/v3-3.1.5

0.74.x

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update-process-pkg

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dependabot/go_modules/github.com/Azure/go-ntlmssp-0.1.1

dependabot/go_modules/github.com/eko/gocache/store/redis/v4-4.2.6

dependabot/go_modules/github.com/eko/gocache/lib/v4-4.2.3

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netmap_progressive_alignment

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dependabot/go_modules/github.com/jackc/pgx/v5-5.9.2

dependabot/go_modules/github.com/oapi-codegen/runtime-1.4.2

dependabot/go_modules/github.com/gopacket/gopacket-1.6.1

dependabot/go_modules/github.com/coreos/go-oidc/v3-3.19.0

dependabot/go_modules/github.com/pires/go-proxyproto-0.12.0

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docs/agent-network

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client_lifetime_serialization_refactor

fix/browser-ssh-2

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profile-id

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debug

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enable-release-workflow-on-pr

deploy/peer-performance

feature/permanent-turn

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yury/use-sync-map-in-updatechannel

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fake-addr

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feature/device-authentication-with-client-secret

feature/keep_alive

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wg_conn_fix

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proxy_cfg_cleanup

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feat-client-side-acl

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feature/event-storage

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feature/interface-bind

documentation_enhancement

fix-peer-registration

ssh

users_cache

pass-client-caller

client_caller_type

revert-283-feat-fix-windows-installer

periodic-peer-updates

ebpf

braginini/wasm

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Reference: DYNR/netbird#10566