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CVE-2026-34763 Rack: Rack::Directory info disclosure and DoS via unescaped regex interpolation

🗓️ 02 Apr 2026 16:43:42Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

Rack::Directory may disclose filesystem paths and cause a denial of service from unescaped root in regex; fixed in 2.2.23, 3.1.21, 3.2.6.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34763
2 Apr 202616:43
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Security Bulletin: Multiple vulnerabilities in IBM Aspera Console
16 Apr 202622:21
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Chainguard
CVE-2026-34763 vulnerabilities
6 Apr 202601:18
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CNNVD
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2 Apr 202600:00
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CVE
CVE-2026-34763
2 Apr 202616:43
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Debian CVE
CVE-2026-34763
2 Apr 202616:43
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EUVD
EUVD-2026-18380
2 Apr 202620:32
euvd
Github Security Blog
Rack has a root directory disclosure via unescaped regex interpolation in Rack::Directory
2 Apr 202620:32
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Mageia
Updated ruby-rack packages fix security vulnerabilities
18 Jun 202621:28
mageia
NVD
CVE-2026-34763
2 Apr 202617:16
nvd
Rows per page
[
  {
    "vendor": "rack",
    "product": "rack",
    "versions": [
      {
        "version": "< 2.2.23",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0.beta1, < 3.1.21",
        "status": "affected"
      },
      {
        "version": ">= 3.2.0, < 3.2.6",
        "status": "affected"
      }
    ]
  }
]

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