# bundler (RubyGems) vulnerabilities

Source: https://junglewise.ai/threats/technologies/bundler  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/bundler.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in bundler (RubyGems): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2016-7954, was published on 14 May 2022.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About bundler (RubyGems)

Ruby dependency manager that tracks and installs project gem versions.

## Latest bundler (RubyGems) vulnerabilities

- [CVE-2016-7954: Bundler allows attacker to inject arbitrary code via secondary Gem source](https://junglewise.ai/threats/cve-2016-7954-bundler-allows-attacker-to-inject-arbitrary-code-via-secondary-gem) (low, CVSS 3, published 14 May 2022)
- [CVE-2013-0334: Bundler may install gems from a different source than expected](https://junglewise.ai/threats/cve-2013-0334-bundler-may-install-gems-from-a-different-source-than-expected) (info, published 5 May 2022)
- [CVE-2021-43809: Local Code Execution through Argument Injection via dash leading git url parameter in Gemfile.](https://junglewise.ai/threats/cve-2021-43809-local-code-execution-through-argument-injection-via-dash-leading) (low, CVSS 3.1, published 8 Dec 2021)
- [CVE-2020-36327: Dependency Confusion in Bundler](https://junglewise.ai/threats/cve-2020-36327-dependency-confusion-in-bundler) (low, CVSS 3.1, published 24 May 2021)
- [CVE-2019-3881: Insecure path handling in Bundler](https://junglewise.ai/threats/cve-2019-3881-insecure-path-handling-in-bundler) (low, CVSS 3.1, published 10 May 2021)

## Most severe bundler (RubyGems) vulnerabilities

- [CVE-2020-36327: Dependency Confusion in Bundler](https://junglewise.ai/threats/cve-2020-36327-dependency-confusion-in-bundler) (low, CVSS 3.1, published 24 May 2021)
- [CVE-2021-43809: Local Code Execution through Argument Injection via dash leading git url parameter in Gemfile.](https://junglewise.ai/threats/cve-2021-43809-local-code-execution-through-argument-injection-via-dash-leading) (low, CVSS 3.1, published 8 Dec 2021)
- [CVE-2019-3881: Insecure path handling in Bundler](https://junglewise.ai/threats/cve-2019-3881-insecure-path-handling-in-bundler) (low, CVSS 3.1, published 10 May 2021)
- [CVE-2016-7954: Bundler allows attacker to inject arbitrary code via secondary Gem source](https://junglewise.ai/threats/cve-2016-7954-bundler-allows-attacker-to-inject-arbitrary-code-via-secondary-gem) (low, CVSS 3, published 14 May 2022)
- [CVE-2013-0334: Bundler may install gems from a different source than expected](https://junglewise.ai/threats/cve-2013-0334-bundler-may-install-gems-from-a-different-source-than-expected) (info, published 5 May 2022)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| 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 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 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
- [activestorage (RubyGems)](https://junglewise.ai/threats/technologies/activestorage): 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

## 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, "bundler (RubyGems) vulnerabilities", https://junglewise.ai/threats/technologies/bundler, 13 November 2026.