CVE-2025-58055 (GCVE-0-2025-58055)

Vulnerability from cvelistv5 – Published: 2025-10-01 18:48 – Updated: 2025-10-23 13:20
VLAI
Title
Discourse AI Suggestions Contain Insecure Direct Object Reference
Summary
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.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 18:56 UTC
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7904 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
discourse discourse Affected: < 3.5.1
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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