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Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

🗓️ 23 Mar 2026 21:08:54Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Rails Active Storage proxy loads range into memory, enabling denial of service with large Range.

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activestorageRange<7.2.3.1rubygems
OR
activestorageRange8.0.0.beta18.0.4.1rubygems
OR
activestorageRange8.1.0.beta18.1.2.1rubygems

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13 May 2026 16:16Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.17.5
CVSS 48.7
EPSS0.00024
SSVC
6