ruby Vulnerabilities and Affected Products
Vulnerabilities associated with WEBrick.
Products
Clear product| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2025-6442MEDIUM | Ruby WEBrick read_header HTTP Request Smuggling VulnerabilityRuby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HT… CWE-444Jun 25, 2025 | CVSS5.9v3.1 | EPSS0.422% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |