---
title: "Symfony 8.0.13 released (Symfony Blog)"
url: https://daily.dev/posts/symfony-8-0-13-released-symfony-blog--esix44pui
source_url: https://symfony.com/blog/symfony-8-0-13-released
type: article
source: "Symfony"
published: 2026-05-27T11:05:10.937Z
updated: 2026-05-27T11:13:19.850Z
tags: ["security", "php", "symfony"]
reading_time: 3
upvotes: 0
comments: 0
language: en
---

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# Symfony 8.0.13 released (Symfony Blog)

**[Symfony](https://daily.dev/sources/symfony)** · 3 min read · 0 upvotes · 0 comments

## Summary

Symfony 8.0.13 has been released with several security fixes and bug patches. Security fixes include pinning Mailomat webhook signature algorithm to SHA-256, sanitizing URL attributes in HtmlSanitizer for tags like object, applet, iframe, and img, rejecting percent-encoded BiDi marks in URLs, blocking IPv6 transition forms in IpUtils and NoPrivateNetworkHttpClient, preventing user-supplied failure path exploitation, and fixing dot-segment encoding in generated URLs. Bug fixes cover Console, HttpClient NTLM regression, Cache, Scheduler, SecurityBundle, Process, Mime, Mailer, Translation, AssetMapper, DependencyInjection, and more.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://symfony.com/blog/symfony-8-0-13-released>

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---

Tags: [#security](https://daily.dev/tags/security), [#php](https://daily.dev/tags/php), [#symfony](https://daily.dev/tags/symfony)

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