# activestorage (RubyGems) vulnerabilities Source: https://junglewise.ai/threats/technologies/activestorage Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/activestorage.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 19 vulnerabilities in activestorage (RubyGems): 6 in the last 7 days and 8 in the last 90 days, 4 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126188, was published on 11 November 2026. 2 vulnerabilities in the last four weeks, up from none in the four before. 2 critical against 0. ## Counts - Last 7 days: 6 - Last 30 days: 8 - Last 90 days: 8 - All time: 19 (4 critical, 0 exploited in the wild) ## About activestorage (RubyGems) Ruby on Rails library for attaching files to database records with support for cloud storage services. ## Latest activestorage (RubyGems) vulnerabilities - [CVE-2026-126188: Active Storage: Possible local file disclosure in video previews and analysis](https://junglewise.ai/threats/cve-2026-126188-active-storage-makes-it-simple-to-upload-and-reference-files-in) (low, CVSS 3.7, published 11 Nov 2026) - [CVE-2026-126186: Ruby on Rails Active Storage arbitrary file read and RCE in media processing](https://junglewise.ai/threats/cve-2026-126186-active-storage-possible-arbitrary-file-read-and-remote-code) (high, CVSS 8.8, published 10 Nov 2026) - [CVE-2026-126085: Ruby on Rails Active Storage content length bypass in Google Cloud Storage uploads](https://junglewise.ai/threats/cve-2026-126085-active-storage-possible-circumvention-of-file-size-limits-in) (medium, CVSS 5.3, published 10 Nov 2026) - [CVE-2026-126084: Ruby on Rails Active Storage GCS signature bypass](https://junglewise.ai/threats/cve-2026-126084-active-storage-makes-it-simple-to-upload-and-reference-files-in) (medium, CVSS 4.7, published 10 Nov 2026) - [CVE-2026-126074: Rails Active Storage persistent DoS via NUL byte filename](https://junglewise.ai/threats/cve-2026-126074-active-storage-makes-it-simple-to-upload-and-reference-files-in) (medium, CVSS 4.3, published 10 Nov 2026) - [CVE-2026-126071: Ruby on Rails Active Storage denial of service via stream error handling](https://junglewise.ai/threats/cve-2026-126071-active-storage-makes-it-simple-to-upload-and-reference-files-in) (medium, CVSS 5.3, published 10 Nov 2026) - [Ruby on Rails Active Storage arbitrary file read/write via ImageMagick](https://junglewise.ai/threats/duplicate-advisory-active-storage-possible-arbitrary-file-write-and-575968b6) (critical, CVSS 9.8, published 4 Nov 2026) - [CVE-2026-122006: Ruby on Rails activestorage ImageMagick arbitrary file read/write](https://junglewise.ai/threats/cve-2026-122006-the-activestorage-gem-before-8-1-4-1-for-ruby-on-rails-when) (critical, CVSS 9.8, published 4 Nov 2026) - [CVE-2026-66066: Ruby on Rails Active Storage arbitrary file read via libvips](https://junglewise.ai/threats/cve-2026-66066-ruby-on-rails-active-storage-arbitrary-file-read-via-libvips) (critical, CVSS 4, published 30 Jul 2026) - [CVE-2026-33658: Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests](https://junglewise.ai/threats/cve-2026-33658-rails-active-storage-has-a-possible-dos-vulnerability-in-proxy) (low, CVSS 3.1, published 25 Mar 2026) - [CVE-2026-33195: Ruby on Rails Active Storage path traversal in DiskService](https://junglewise.ai/threats/cve-2026-33195-ruby-on-rails-active-storage-path-traversal-in-diskservice) (critical, CVSS 9.8, published 24 Mar 2026) - [CVE-2026-33202: Ruby on Rails Active Storage glob injection in DiskService](https://junglewise.ai/threats/cve-2026-33202-ruby-on-rails-active-storage-glob-injection-in-diskservice) (medium, CVSS 4, published 23 Mar 2026) - [CVE-2026-33174: Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests](https://junglewise.ai/threats/cve-2026-33174-rails-active-storage-has-a-possible-dos-vulnerability-when-in) (medium, CVSS 4, published 23 Mar 2026) - [CVE-2026-33173: Rails Active Storage has possible content type bypass via metadata in direct uploads](https://junglewise.ai/threats/cve-2026-33173-rails-active-storage-has-possible-content-type-bypass-via) (medium, CVSS 4, published 23 Mar 2026) - [CVE-2025-24293: Ruby on Rails Active Storage command injection in image transformations](https://junglewise.ai/threats/cve-2025-24293-ruby-on-rails-active-storage-command-injection-in-image) (high, CVSS 8.1, published 30 Jan 2026) - [CVE-2024-26144: Rails has possible Sensitive Session Information Leak in Active Storage](https://junglewise.ai/threats/cve-2024-26144-rails-has-possible-sensitive-session-information-leak-in-active) (low, CVSS 3.1, published 27 Feb 2024) - [CVE-2022-21831: Possible code injection vulnerability in Rails / Active Storage](https://junglewise.ai/threats/cve-2022-21831-possible-code-injection-vulnerability-in-rails-active-storage) (low, CVSS 3.1, published 8 Mar 2022) - [CVE-2020-8162: Circumvention of file size limits in ActiveStorage](https://junglewise.ai/threats/cve-2020-8162-circumvention-of-file-size-limits-in-activestorage) (low, CVSS 3.1, published 26 May 2020) - [CVE-2018-16477: Exposure of Sensitive Information to an Unauthorized Actor in activestorage](https://junglewise.ai/threats/cve-2018-16477-exposure-of-sensitive-information-to-an-unauthorized-actor-in) (low, CVSS 3, published 5 Dec 2018) ## Most severe activestorage (RubyGems) vulnerabilities - [CVE-2026-122006: Ruby on Rails activestorage ImageMagick arbitrary file read/write](https://junglewise.ai/threats/cve-2026-122006-the-activestorage-gem-before-8-1-4-1-for-ruby-on-rails-when) (critical, CVSS 9.8, published 4 Nov 2026) - [CVE-2026-33195: Ruby on Rails Active Storage path traversal in DiskService](https://junglewise.ai/threats/cve-2026-33195-ruby-on-rails-active-storage-path-traversal-in-diskservice) (critical, CVSS 9.8, published 24 Mar 2026) - [Ruby on Rails Active Storage arbitrary file read/write via ImageMagick](https://junglewise.ai/threats/duplicate-advisory-active-storage-possible-arbitrary-file-write-and-575968b6) (critical, CVSS 9.8, published 4 Nov 2026) - [CVE-2026-66066: Ruby on Rails Active Storage arbitrary file read via libvips](https://junglewise.ai/threats/cve-2026-66066-ruby-on-rails-active-storage-arbitrary-file-read-via-libvips) (critical, CVSS 4, published 30 Jul 2026) - [CVE-2026-126186: Ruby on Rails Active Storage arbitrary file read and RCE in media processing](https://junglewise.ai/threats/cve-2026-126186-active-storage-possible-arbitrary-file-read-and-remote-code) (high, CVSS 8.8, published 10 Nov 2026) - [CVE-2025-24293: Ruby on Rails Active Storage command injection in image transformations](https://junglewise.ai/threats/cve-2025-24293-ruby-on-rails-active-storage-command-injection-in-image) (high, CVSS 8.1, published 30 Jan 2026) - [CVE-2026-126085: Ruby on Rails Active Storage content length bypass in Google Cloud Storage uploads](https://junglewise.ai/threats/cve-2026-126085-active-storage-possible-circumvention-of-file-size-limits-in) (medium, CVSS 5.3, published 10 Nov 2026) - [CVE-2026-126071: Ruby on Rails Active Storage denial of service via stream error handling](https://junglewise.ai/threats/cve-2026-126071-active-storage-makes-it-simple-to-upload-and-reference-files-in) (medium, CVSS 5.3, published 10 Nov 2026) - [CVE-2026-126084: Ruby on Rails Active Storage GCS signature bypass](https://junglewise.ai/threats/cve-2026-126084-active-storage-makes-it-simple-to-upload-and-reference-files-in) (medium, CVSS 4.7, published 10 Nov 2026) - [CVE-2026-126074: Rails Active Storage persistent DoS via NUL byte filename](https://junglewise.ai/threats/cve-2026-126074-active-storage-makes-it-simple-to-upload-and-reference-files-in) (medium, CVSS 4.3, published 10 Nov 2026) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up from none in the four before. 2 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 2 | 2 | 0 | | 9 Nov 2026 | 6 | 0 | 0 | ## Other RubyGems technologies - [actionpack (RubyGems)](https://junglewise.ai/threats/technologies/actionpack): 77 vulnerabilities - [nokogiri (RubyGems)](https://junglewise.ai/threats/technologies/nokogiri): 69 vulnerabilities - [rack (RubyGems)](https://junglewise.ai/threats/technologies/rack): 55 vulnerabilities - [activerecord (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-activerecord): 26 vulnerabilities - [rubygems-update (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-update): 25 vulnerabilities - [puppet (RubyGems)](https://junglewise.ai/threats/technologies/puppet): 23 vulnerabilities - [activesupport (RubyGems)](https://junglewise.ai/threats/technologies/activesupport): 20 vulnerabilities - [actionview (RubyGems)](https://junglewise.ai/threats/technologies/actionview): 19 vulnerabilities - [camaleon_cms (RubyGems)](https://junglewise.ai/threats/technologies/camaleon-cms): 19 vulnerabilities - [rails-html-sanitizer (RubyGems)](https://junglewise.ai/threats/technologies/rails-html-sanitizer): 18 vulnerabilities - [loofah (RubyGems)](https://junglewise.ai/threats/technologies/loofah): 17 vulnerabilities - [publify_core (RubyGems)](https://junglewise.ai/threats/technologies/publify-core): 15 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "activestorage (RubyGems) vulnerabilities", https://junglewise.ai/threats/technologies/activestorage, 13 November 2026.