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ruby WEBrick vulnerabilities

1 published CVE affecting ruby WEBrick, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
1
Critical
0
High
0
Medium
1
Low
0
Unscored
0
CISA KEV
0

Latest ruby WEBrick CVEs

Newest publication first

  1. CVE-2025-6442 Ruby WEBrick read_header HTTP Request Smuggling Vulnerability

    Published
    MediumCVSS 5.9 EPSS 0.50% PoC

    Ruby 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 specif...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.