CVSS 3.1 Score 5.3 of 10 (medium)


Published Mar 15, 2024
Updated: Mar 17, 2024
CWE ID 400


CVE-2024-24827 is a vulnerability that affects the Discourse open source platform for community discussion. The vulnerability allows an attacker to carry out a denial-of-service (DoS) attack on the server by exploiting the lack of rate limits on the POST /uploads endpoint. The impact of the attack may vary depending on specific site settings, such as maximum image size and attachment size. The issue has been patched in the latest stable, beta, and tests-passed versions of Discourse, and users are advised to upgrade. Alternatively, users can reduce the maximum image size and attachment size, as well as the maximum image megapixels setting. Another mitigation measure is to reduce the client_max_body_size in Nginx to prevent large uploads from reaching the server.

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