Daily Writeups
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Daily Bug Bounty / Cybersecurity Writeups
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⤷ Title: Critical Authentication Bypass Flaws Discovered in Ruby SAML Library (CVE-2025-66567 & CVE-2025-66568)
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𐀪 Author: Ddos
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ⴵ Time: Tue, 09 Dec 2025 02:29:23 +0000
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⌗ Tags: #Vulnerability Report #Authentication Bypass #Canonicalization #CVE_2025_66567 #Digest Bypass #Ruby SAML #XML Parser Differential
⤷ Title: Ruby 4.0 Unwrapped: Meet ZJIT and the Game-Changing Ruby Box
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𐀪 Author: ddos
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ⴵ Time: Fri, 26 Dec 2025 02:26:41 +0000
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⌗ Tags: #Technology #Backend #JIT Compiler #Memory Safety #performance #Programming 2026 #Ractor #Ruby 4.0 #Ruby Box #Web Development #ZJIT
⤷ Title: How I Discovered a Dependency Confusion Vulnerability in a Ruby Application Leading to RCE
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𐀪 Author: Ahmed Tarek
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ⴵ Time: Sat, 17 Jan 2026 19:06:39 GMT
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⌗ Tags: #pentesting #bug_bounty #dependency_confusion #bug_bounty_tips #ruby
⤷ Title: Secure Query Practices in Ruby on Rails
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𐀪 Author: Muhammad Bin Hussain
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ⴵ Time: Fri, 20 Feb 2026 20:30:29 GMT
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⌗ Tags: #ruby_on_rails #web_security #secure_coding_practice #sql_injection #backend_development
⤷ Title: The Unsafe Send: How an HTTP Client Library Led to Remote Code Execution
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𐀪 Author: Alperen
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ⴵ Time: Sat, 21 Feb 2026 02:44:52 GMT
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⌗ Tags: #hackerone #source_code_security #source_code #ruby #bugbounty_writeup
⤷ Title: Unsafe Deserialization in Ruby Background Workers Leading to Deterministic Remote Code Execution
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𐀪 Author: NullSecurityX
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ⴵ Time: Mon, 23 Feb 2026 16:57:42 GMT
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⌗ Tags: #cybersecurity #ctf_writeup #json #bug_bounty #ruby
⤷ Title: Rate Limiting Your Rails API with Rack::Attack gem
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𐀪 Author: Talha Khalid
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ⴵ Time: Mon, 02 Mar 2026 00:52:59 GMT
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⌗ Tags: #api_rate_limiting #api_security #ruby_on_rails #web_development #rubygems
⤷ Title: Bridging the Gap: North Korean APT37 Deploys ‘Ruby Jumper’ to Infiltrate Isolated Air-Gapped Networks
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𐀪 Author: Ddos
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ⴵ Time: Tue, 03 Mar 2026 00:05:18 +0000
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⌗ Tags: #Malware #Air_gap attack #APT37 #Cloud C2 #infosec #North Korean APT #Ruby Jumper #ScarCruft #SNAKEDROPPER #THUMBSBD #USB malware #VIRUSTASK
⤷ Title: Jumping the Gap: APT37’s “Ruby Jumper” Campaign Weaponizes Cloud Storage and USBs to Breach Isolated Networks
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𐀪 Author: ddos
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ⴵ Time: Wed, 04 Mar 2026 07:01:03 +0000
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⌗ Tags: #Cybercriminals #air_gapped network #APT37 #Cybersecurity 2026 #RESTLEAF #Ruby Jumper #ScarCruft #SNAKEDROPPER #THUMBSBD #USB Malware #Velvet Chollima #VIRUSTASK #Zoho WorkDrive #Zscaler ThreatLabz
⤷ Title: Rocket — CVE-2021–22911 NoSQL Injection + Ruby cap_setuid to Root | TryHackMe
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𐀪 Author: Roshan Rajbanshi
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ⴵ Time: Tue, 14 Apr 2026 14:46:42 GMT
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⌗ Tags: #penetration_testing #cybersecurity #ethical_hacking #sql #ruby