--- title: Log4j Vulnerability Update | daily.dev description: Log4j is a Java library by Apache used to log debug messages within applications. The vast majority of servers provisioned by Forge will not be vulnerable. If... canonical: https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Log4j Vulnerability Update | daily.dev og:description: Log4j is a Java library by Apache used to log debug messages within applications. The vast majority of servers provisioned by Forge will not be vulnerable. If... og:url: https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq og:image: https://api.daily.dev/og/posts/pXr0VPvUQ.png og:image:alt: Log4j Vulnerability Update og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Log4j Vulnerability Update **[Laravel](https://daily.dev/sources/laravel)** · 1 min read · 12 upvotes · 1 comments ## Summary Log4j is a Java library by Apache used to log debug messages within applications. The vast majority of servers provisioned by Forge will not be vulnerable. If you have manually installed applications such as ElasticSearch your server may be affected. To check if your server is affected, you can use a script such as log4j_checker_beta . ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@kgo\_70** · 0 upvotes > god --- Tags: [#cyber](https://daily.dev/tags/cyber), [#java](https://daily.dev/tags/java), [#laravel](https://daily.dev/tags/laravel) [View this post on daily.dev](https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Log4j Vulnerability Update","url":"https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq"},"datePublished":"2021-12-15T13:29:22.249Z","dateModified":"2026-10-14T02:21:54.901Z","description":"Log4j is a Java library by Apache used to log debug messages within applications. The vast majority of servers provisioned by Forge will not be vulnerable. If...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/72ee31aee98ab85b131e4d4843a2f5d8","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/72ee31aee98ab85b131e4d4843a2f5d8","isAccessibleForFree":true,"articleSection":"Laravel","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Laravel","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/1f77002e78e1486ab699e1b8e03d7fd2","url":"https://daily.dev/sources/laravel"},"commentCount":1,"discussionUrl":"https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":12},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"keywords":"cyber,java,laravel","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Laravel","item":"https://daily.dev/sources/laravel"},{"@type":"ListItem","position":3,"name":"Log4j Vulnerability Update"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/log4j-vulnerability-update-pxr0vpvuq","comment":[{"@type":"Comment","text":"god","datePublished":"2021-12-18T18:35:22.342Z","url":"https://daily.dev/posts/pXr0VPvUQ#c-uWTR2uPo3","author":{"@type":"Person","name":"Haitham Taima","url":"https://daily.dev/kgo_70","image":"https://lh3.googleusercontent.com/a-/AOh14GjMPwfm0KuYVXyyunkZgO8hsLrsgQm7C6ZZJ_6EEA=s100"}}]} ```