Technology · RubyGems
webrick (RubyGems) vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 6 vulnerabilities in webrick (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-2025-6442, was published on 26 June 2025.
- Last 7 days
- 0
- Last 90 days
- 0
- Critical, all time
- 0
- Exploited in the wild
- 0
About webrick (RubyGems)
Ruby HTTP server library included in the Ruby standard library for serving web requests.
Latest webrick (RubyGems) vulnerabilities
- CVE-2025-6442: Ruby WEBrick read_headers method can lead to HTTP Request/Response SmugglinglowCVSS 3EPSS 0.5%
- CVE-2024-47220: HTTP Request Smuggling in ruby webricklowCVSS 3.1
- CVE-2020-25613: WEBRick vulnerable to HTTP Request/Response SmugglinglowCVSS 3.1EPSS 3.9%
- CVE-2017-10784: WEBrick RCE VulnerabilitylowCVSS 3EPSS 16.4%
- CVE-2008-4310: WEBrick Denial of Service VulnerabilityinfoEPSS 13.6%
- CVE-2009-4492: WEBrick Improper Input Validation vulnerabilityinfoEPSS 16.2%
Most severe webrick (RubyGems) vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2020-25613: WEBRick vulnerable to HTTP Request/Response SmugglinglowCVSS 3.1EPSS 3.9%
- CVE-2024-47220: HTTP Request Smuggling in ruby webricklowCVSS 3.1
- CVE-2017-10784: WEBrick RCE VulnerabilitylowCVSS 3EPSS 16.4%
- CVE-2025-6442: Ruby WEBrick read_headers method can lead to HTTP Request/Response SmugglinglowCVSS 3EPSS 0.5%
- CVE-2009-4492: WEBrick Improper Input Validation vulnerabilityinfoEPSS 16.2%
- CVE-2008-4310: WEBrick Denial of Service VulnerabilityinfoEPSS 13.6%
Vulnerabilities per week
Nothing was published in the last eight weeks. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 0 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 0 | 0 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 0 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many webrick (RubyGems) vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/technologies/rubygems-webrick)<a href="https://junglewise.ai/threats/technologies/rubygems-webrick"><img src="https://junglewise.ai/threats/technologies/rubygems-webrick/badge.svg" alt="webrick (RubyGems) vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/rubygems-webrick.json, and this page as text at https://junglewise.ai/threats/technologies/rubygems-webrick.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "webrick (RubyGems) vulnerabilities", https://junglewise.ai/threats/technologies/rubygems-webrick, 13 November 2026.