BIT-discourse-2026-33514: Discourse: Information Disclosure in Form Template API Due to Missing Authorization
Discourse versions prior to 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0 contain an information disclosure vulnerability in the form template API. Authenticated users on instances with the form templates feature enabled can access the names and structured content of form templates intended for unauthorized categories. The impact is limited to disclosure of site configuration metadata. This vulnerability has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0.
AI Analysis
Technical Summary
An information disclosure vulnerability exists in Discourse's form template API due to missing authorization checks. Authenticated users can read form templates for categories they are not authorized to access, exposing site configuration metadata. This affects Discourse versions prior to 2026.1.4, versions from 2026.3.0 up to but not including 2026.3.1, and versions from 2026.4.0 up to but not including 2026.4.1. The issue has been resolved in versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0.
Potential Impact
The vulnerability allows authenticated users to disclose site configuration metadata by accessing form templates for unauthorized categories. There is no indication of further impact such as privilege escalation or code execution. The exposure is limited to information disclosure of form template names and structured content.
Mitigation Recommendations
Upgrade Discourse to version 2026.1.4, 2026.3.1, 2026.4.1, or 2026.5.0 or later, where this vulnerability has been fixed. No other mitigation is indicated or required.
BIT-discourse-2026-33514: Discourse: Information Disclosure in Form Template API Due to Missing Authorization
Description
Discourse versions prior to 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0 contain an information disclosure vulnerability in the form template API. Authenticated users on instances with the form templates feature enabled can access the names and structured content of form templates intended for unauthorized categories. The impact is limited to disclosure of site configuration metadata. This vulnerability has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0.
Affected software
pkg:bitnami/discourseRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An information disclosure vulnerability exists in Discourse's form template API due to missing authorization checks. Authenticated users can read form templates for categories they are not authorized to access, exposing site configuration metadata. This affects Discourse versions prior to 2026.1.4, versions from 2026.3.0 up to but not including 2026.3.1, and versions from 2026.4.0 up to but not including 2026.4.1. The issue has been resolved in versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0.
Potential Impact
The vulnerability allows authenticated users to disclose site configuration metadata by accessing form templates for unauthorized categories. There is no indication of further impact such as privilege escalation or code execution. The exposure is limited to information disclosure of form template names and structured content.
Mitigation Recommendations
Upgrade Discourse to version 2026.1.4, 2026.3.1, 2026.4.1, or 2026.5.0 or later, where this vulnerability has been fixed. No other mitigation is indicated or required.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-discourse-2026-33514
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-33514"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- Medium
- Cvss Version
- null
Threat ID: 6a577ed268715ace43b3f794
Added to database: 07/15/2026, 12:36:34 UTC
Last enriched: 07/15/2026, 12:42:55 UTC
Last updated: 07/24/2026, 20:52:05 UTC
Views: 19
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