Discourse AI Suggestions Contain Insecure Direct Object Reference_CVE-2025-58055

4.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

Discourse is an open-source community discussion platform. In versions 3.5.0 and below, the Discourse AI suggestion endpoints for topic “Title”, “Category”, and “Tags” allowed authenticated users to extract information about topics that they weren’t authorized to access. By modifying the “topic_id” value in API requests to the AI suggestion endpoints, users could target specific restricted topics. The AI model’s responses then disclosed information that the authenticated user couldn’t normally access. This issue is fixed in version 3.5.1. To workaround this issue, users can restrict group access to the AI helper feature through the "composer_ai_helper_allowed_groups" and "post_ai_helper_allowed_groups" site settings.

Basic Information

ID CVE-2025-58055

Source GitHub_M

Published Oct 1, 2025 at 18:48

Modified Oct 1, 2025 at 19:24

Affected Product

Vendor discourse

Product discourse

Version < 3.5.1

Affected Versions discourse discourse < 3.5.1

CWE Classification

CWE-284 CWE-639

References

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    "published": "2025-10-01T18:48:55.853Z",
    "modified": "2025-10-01T19:24:12.826Z",
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