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The Wire · Showcase

ECHO DEPENDENCY SECURITY BLITZ CLOSES SOCKET.IO VULNERABILITY

By RepoJournal · Filed · About Laravel

Laravel Echo shipped five critical dependency updates overnight, including a socket.io-parser patch that closes CVE-2026-33151 and hardens axios against prototype pollution attacks.

The socket.io-parser bump to 4.2.6 [1] fixes a known vulnerability that could affect real-time communication in production apps. That's the one that demands immediate attention. Running alongside it, axios upgraded to 1.15.2 [2] with prototype-pollution hardening for the Node HTTP adapter plus a Unix domain socket SSRF mitigation that closes a supply-chain attack vector. Flatted jumped to 3.4.2 [3] fixing CWE-1321, while minimatch's aggressive leap from 3.0.8 to 9.0.9 [4] brings major pattern-matching improvements. PostCSS landed at 8.5.14 [5] resolving custom syntax regressions. On the Moat side, the team shipped light theme support [6], improved naming conventions [7], and patched exit code handling [8], but these are polish work while Echo's security chain is tightening. This is a maintenance release that actually matters: your WebSocket layer is more secure, your HTTP client is hardened, and your CLI tools are more reliable.

Action items

References

  1. [1] Bump socket.io-parser from 4.2.4 to 4.2.6 ↗ laravel/echo
  2. [2] Bump axios from 1.15.0 to 1.15.2 ↗ laravel/echo
  3. [3] Bump flatted from 3.3.3 to 3.4.2 ↗ laravel/echo
  4. [4] Bump minimatch from 3.0.8 to 9.0.9 ↗ laravel/echo
  5. [5] Bump postcss from 8.5.8 to 8.5.14 ↗ laravel/echo
  6. [6] feat: light theme laravel/moat
  7. [7] feat: improves naming laravel/moat
  8. [8] fix: exit code laravel/moat

FAQ

What changed in Laravel on May 15, 2026?
Laravel Echo shipped five critical dependency updates overnight, including a socket.io-parser patch that closes CVE-2026-33151 and hardens axios against prototype pollution attacks.
What should Laravel teams do about it?
Upgrade laravel/echo to pull socket.io-parser 4.2.6 before next deploy • Review axios configuration if you use custom HTTP adapters • Test minimatch 9.x behavior in your build pipeline
Which Laravel repositories shipped on May 15, 2026?
laravel/echo, laravel/moat

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