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ActiveRecord::RecordNotFound

app/controllers/posts_controller.rb:112 

Couldn't find Category with 'id'="etc"

Backtrace

app/controllers/posts_controller.rb:112:in 'PostsController#set_post'
lib/middleware/malicious_path_blocker.rb:45:in 'Middleware::MaliciousPathBlocker#call'

Request

Name PostsController#show
Method GET
URL https://rubycommunity.org/etc/passwd
Browser ChromeChrome 136

Parameters

{
  "id": "passwd",
  "action": "show",
  "controller": "posts",
  "category_id": "etc"
}

Headers

Host rubycommunity.org
Accept text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Pragma no-cache
Referer http://rubycommunity.org/assets../../../etc/passwd
Sec-Ch-Ua "Google Chrome";v="136", "Chromium";v="136", "Not_A Brand";v="24"
X-Real-Ip 176.134.48.201
User-Agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.7103.113 Safari/537.36
X-Client-Ip 176.134.48.201
X-Remote-Ip 176.134.48.201
X-Request-Id e423de5e
Cache-Control no-cache
X-Remote-Addr 176.134.48.201
Sec-Fetch-Dest document
Sec-Fetch-Mode navigate
Sec-Fetch-Site none
Sec-Fetch-User ?1
True-Client-Ip 176.134.48.201
X-Kamal-Target 53d4cf1bf76f:80
Accept-Encoding gzip
Accept-Language en-US,en;q=0.9
X-Forwarded-For 195.178.110.105, 172.18.0.3
X-Request-Start t=1782284285793
X-Sendfile-Type X-Sendfile
Cf-Connecting-Ip 176.134.48.201
Fastly-Client-Ip 176.134.48.201
Sec-Ch-Ua-Mobile ?0
X-Forwarded-Host rubycommunity.org
X-Forwarded-Port 443
X-Originating-Ip 176.134.48.201
X-Forwarded-Proto https
Sec-Ch-Ua-Platform "macOS"
X-Cluster-Client-Ip 176.134.48.201

Context

controller 
#<PostsController:0x00007e01cb4ecfa0>

Environment

os Linux 6.8.0-106-generic
cwd /rails
pid 24
host whyruby.info-1a9c2d0bc983
ruby ruby 4.0.1 (2026-01-13 revision e04267a14b) +YJIT +PRISM [x86_64-linux]
rails 8.2.0.alpha
revision 52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084

Server

Load CPU RAM Swap Disk
whyruby.info-1a9c2d0bc983 Load avg 28% CPU 24% RAM 98% Swap 100% Disk 64%

Deployments 1

52a23b1a3a2dc0c2ebc3e12cb7a33d0698be4084 15 Apr 07:58