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USN-8990-1: Sprockets vulnerability

USN-8990-1: Sprockets vulnerability

Ubuntu • November 3, 2026

It was discovered that Sprockets incorrectly handled certain specially crafted requests when the Sprockets server was used in production. A remote attacker could possibly use this issue to access files outside of the application's root directory.

It was discovered that Sprockets incorrectly handled certain specially crafted requests when the Sprockets server was used in production. A remote attacker could possibly use this issue to access files outside of the application's root directory.

It was discovered that Sprockets incorrectly handled certain specially crafted requests when the Sprockets server was used in production. A remote attacker could possibly use this issue to access files outside of the application's root directory.

It was discovered that Sprockets incorrectly handled certain specially crafted requests when the Sprockets server was used in production. A remote attacker could possibly use this issue to access files outside of the application's root directory.

After a standard system update you need to restart any applications using Sprockets to make all the necessary changes.

The problem can be corrected by updating your system to the following package versions:

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Extracted Entities

CWE Weaknesses (1)

Vulnerabilities (1)