# Symfony 8.1.6 released

DevFeed: [Symfony 8.1.6 released](<https://devfeed.tech/articles/symfony-8-1-6-released-8580.md>)

Original publisher: [Read original article](<https://symfony.com/blog/symfony-8-1-6-released>)

Author: Fabien Potencier

Published: 2026-08-30T21:44:04Z

Content type: release

Language: en

Sources: [Symfony Blog](<https://devfeed.tech/sources/symfony-blog.md>)

Topics: [Symfony](<https://devfeed.tech/topics/symfony.md>), [bug](<https://devfeed.tech/topics/bug.md>), [Security](<https://devfeed.tech/topics/security.md>), [Process](<https://devfeed.tech/topics/process.md>), [Routing (disambiguation)](<https://devfeed.tech/topics/routing.md>), [cURL](<https://devfeed.tech/topics/curl.md>), [PHP](<https://devfeed.tech/topics/php.md>)

Tags: [bug](<https://devfeed.tech/tags/bug.md>), [php](<https://devfeed.tech/tags/php.md>), [process](<https://devfeed.tech/tags/process.md>), [release](<https://devfeed.tech/tags/release.md>), [routing](<https://devfeed.tech/tags/routing.md>), [security](<https://devfeed.tech/tags/security.md>), [symfony](<https://devfeed.tech/tags/symfony.md>)

## AI overview

Symfony 8.1.6 is released with fixes across HttpClient, HttpFoundation, Security, Process, Routing, and other components. The update addresses issues including decompression bombs, malformed security parameters, subprocess environment handling, URL matching, and cookie validation.

## Source excerpt

Symfony 8.1.6 has just been released. Read the Symfony upgrade guide to learn more about upgrading Symfony and use the SymfonyInsight upgrade reports to detect the code you will need to change in your project. Tip...