fix(web): open CodeRouter CLI login on cmux.com - #12205
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Included review availability: Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe CLI config endpoint routes production browser authentication through ChangesCLI authentication origin
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~10 minutes Severity of issue fixed: Medium Merge Risk: ⚪ Minimal · up to CLI login confirmation now opens on cmux.com for production while retaining the one-time login code and preserving custom and staging origins. The covered routing behavior is ready to merge. Suggested reviewers: 🚥 Pre-merge checks | ✅ 24 | ❌ 1❌ Failed checks (1 warning)
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Inline comments:
In `@web/app/api/cli/config/route.ts`:
- Line 93: Update the URL rewrite around url.hostname in the route handler to
also clear url.port when routing to cmux.com, ensuring the confirmation URL uses
the canonical HTTPS origin; add a regression test covering a non-default HTTPS
port.
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rustybret
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Sep 9, 2026
c05e1b4 feat: add MDM policy to disable Cloud (manaflow-ai#12035) f0ee362 Fix app-host failure classification (manaflow-ai#12207) a59cc55 fix(web): open CodeRouter CLI login on cmux.com (manaflow-ai#12205) 991113c Admit Amp restores on a fresh scan instead of a quiet hook-store directory (manaflow-ai#12158) (manaflow-ai#12166) 53cb75a Cloud sidebar: workspace rows follow the layout; SSH is not a web port (manaflow-ai#12090) b4641d5 Fix shared Cloud VM pricing copy and recovery link placement (manaflow-ai#12200) f0ea52b Fix OpenCode notification regression harness runtime (manaflow-ai#12193) 2b71cfa ci: bypass stale Gatekeeper assessments for Computer Use helper (manaflow-ai#12202) # Conflicts: # .github/workflows/ci.yml
This was referenced Sep 10, 2026
aerickson
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Sep 13, 2026
* test(web): cover production CodeRouter login origin * fix(web): send CodeRouter login through cmux.com * fix(web): canonicalize CodeRouter auth port
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Fixes #12203
cmux cr logindelegates to the CodeRouter CLI, which uses theauth.confirmUrladvertised by/api/cli/config. Production requests served oncoderouter.devwere advertising the CodeRouter host for browser confirmation, even though cmux owns the canonical sign-in surface.This changes only the production browser confirmation origin to
https://cmux.com/handler/cli-auth-confirm. CodeRouter data-plane URLs remain oncoderouter.dev, and loopback, staging, and custom origins remain request-local. The CLI appends its one-timelogin_codeafter receiving this URL, so the confirmation path and code continue through Stack’s existing flow.Regression coverage is split into two commits:
test(web): cover production CodeRouter login origin— fails on the previouscoderouter.devconfirmation URL and covers the synthetic code/redirect composition plus loopback and custom-origin behavior.fix(web): send CodeRouter login through cmux.com— maps only the canonical production CodeRouter hosts at the config boundary.Validation:
bun test --preload ./tests/test-preload.ts tests/cli-config-route.test.tsbunx eslint app/api/cli/config/route.ts tests/cli-config-route.test.tsbun run lint:complexityNeed help on this PR? Tag
@codesmith-botwith what you need. Autofix is disabled.Summary by cubic
Fixes production CodeRouter CLI login so browser confirmation goes through
cmux.cominstead ofcoderouter.dev, now also normalizing the port.coderouter.devhosts tohttps://cmux.com/handler/cli-auth-confirmand clears non-default ports.Written for commit 71cf9c5. Summary will update on new commits.
Note
Medium Risk
Narrows production CLI browser auth to cmux.com while leaving data-plane URLs on CodeRouter; mis-host detection could break login for production hosts only.
Overview
Production CLI config requests on
coderouter.dev/www.coderouter.devnow advertiseauth.confirmUrlonhttps://cmux.com/handler/cli-auth-confirminstead of the CodeRouter host, via a newcliAuthConfirmationURLhelper that only rewrites HTTPS production CodeRouter hostnames. CodeRouter session/API URLs and loopback, staging, and other custom origins are unchanged.Tests assert production gets cmux confirmation while data-plane URLs stay on
coderouter.dev, sign-in redirect composition withlogin_codestill works, and custom staging keeps confirmation on its own origin.Reviewed by Cursor Bugbot for commit 726bdb9. Bugbot is set up for automated code reviews on this repo. Configure here.
Summary by CodeRabbit
cmux.comhost when accessed securely.