CVE-2020-28923

An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.

• https://www.playframework.com/security/vulnerabilityVendor Advisory
• https://www.playframework.com/security/vulnerability/CVE-2020-28923-ImproperRemovalofSensitiveInformationBeforeStorageorTransferVendor Advisory
• https://www.playframework.com/security/vulnerabilityVendor Advisory
• https://www.playframework.com/security/vulnerability/CVE-2020-28923-ImproperRemovalofSensitiveInformationBeforeStorageorTransferVendor Advisory

Published

Dec 3, 2020

Last Modified

Jun 17, 2026

Status

Modified

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