CVE-2024-24748: Disclosure of the existence of secret subcategories in Discourse

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-15 · updated 2026-06-17
Weakness: CWE-200

Description

Discourse is an open source platform for community discussion. In affected versions an attacker can learn that a secret subcategory exists under a public category which has no public subcategories. The issue is patched in the latest stable, beta and tests-passed version of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

discourse: through 3.2.0; 3.2.0-beta1, 3.2.0-beta2, 3.2.0-beta3, 3.2.0-beta4, 3.3.0-beta1

References

https://github.com/discourse/discourse/commit/819361ba28f86a1347059af300bb5cca690f9193
https://github.com/discourse/discourse/security/advisories/GHSA-3qh8-xw23-cq4x
https://github.com/discourse/discourse/commit/819361ba28f86a1347059af300bb5cca690f9193
https://github.com/discourse/discourse/security/advisories/GHSA-3qh8-xw23-cq4x

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