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activesupport✕security

activesupport: Possible XSS vulnerability in Active Support MessagePack serializer

Possible XSS vulnerability in Active Support MessagePack serializer (moderate). GHSA-2w9f-fxwj-w2qf.

activesupport: Possible XSS vulnerability in Active Support MessagePack serializer: from its source to your code

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security advisory
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Possible XSS vulnerability in Active Support MessagePack serializer

github.com/rails/rails/security/advisorie…from an advisory databasechecked 2026-11-05#6d47468b1a

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read by a advisory-feed · advisory/rubygems/activesupport/GHSA-2w9f-fxwj-w2qf