Skip to content

fix: remove profile subdomain alert side channel (#201)#289

Open
tomaspinkas-com wants to merge 1 commit into
algora-io:mainfrom
tomaspinkas-com:fix/remove-subdomain-enumeration-alert-201
Open

fix: remove profile subdomain alert side channel (#201)#289
tomaspinkas-com wants to merge 1 commit into
algora-io:mainfrom
tomaspinkas-com:fix/remove-subdomain-enumeration-alert-201

Conversation

@tomaspinkas-com
Copy link
Copy Markdown

$## Summary

  • stop emitting a critical activity alert when a request hits a valid profile subdomain
  • keep the existing subdomain redirect behavior intact
  • add a regression test proving known subdomains still redirect without creating activities

Why

Issue #201 points out that canonical_host/2 performed a handle lookup and emitted a critical alert only when the subdomain matched a real user handle. That creates an internal side channel for username/subdomain enumeration.

Fixes #201

@CLAassistant
Copy link
Copy Markdown

CLAassistant commented May 20, 2026

CLA assistant check
All committers have signed the CLA.

@tomaspinkas-com tomaspinkas-com force-pushed the fix/remove-subdomain-enumeration-alert-201 branch from eb9d306 to 1609240 Compare May 20, 2026 18:33
@tomaspinkas-com tomaspinkas-com force-pushed the fix/remove-subdomain-enumeration-alert-201 branch from 1609240 to 4f4085c Compare May 20, 2026 18:42
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

subdomain Enumaration via side channel alerting security bug which is critical

2 participants