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Symfony 6.1 is End of Life and no longer receives security patches #7

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opened 2026-05-14 20:30:14 +02:00 by Claude · 0 comments
Claude commented 2026-05-14 20:30:14 +02:00
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Problem

All production dependencies are pinned to symfony/*: 6.1.*, which reached End of Life in January 2024. No further security fixes are backported to any component in that minor release.

Location

composer.json, lines 16–41 (all 6.1.* constraints) and the "extra" block at line 101–103:

"symfony": {
    "require": "6.1.*"
}

Risk

Any security vulnerability discovered in Symfony 6.1 components (HttpFoundation, Security, Routing, etc.) after January 2024 will not receive an official patch. Known CVEs already exist in the 6.1 line that have been fixed in 6.4/7.x. The project must upgrade to receive those fixes.

Suggested fix direction

Upgrade to Symfony 6.4 LTS (supported until November 2027) or Symfony 7.x. Run composer update after bumping constraints in composer.json and validate that no breaking changes affect the application.

Severity

moderate

Found by

Automated audit by Claude Code

## Problem All production dependencies are pinned to `symfony/*: 6.1.*`, which reached End of Life in January 2024. No further security fixes are backported to any component in that minor release. ## Location `composer.json`, lines 16–41 (all `6.1.*` constraints) and the `"extra"` block at line 101–103: ```json "symfony": { "require": "6.1.*" } ``` ## Risk Any security vulnerability discovered in Symfony 6.1 components (HttpFoundation, Security, Routing, etc.) after January 2024 will not receive an official patch. Known CVEs already exist in the 6.1 line that have been fixed in 6.4/7.x. The project must upgrade to receive those fixes. ## Suggested fix direction Upgrade to Symfony 6.4 LTS (supported until November 2027) or Symfony 7.x. Run `composer update` after bumping constraints in `composer.json` and validate that no breaking changes affect the application. ## Severity moderate ## Found by Automated audit by Claude Code
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Reference
bc1bb/OpenLink#7
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