CVE-2026-33514— Discourse: Information Disclosure in Form Template API Due to Missing Authorization
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I. Basic Information for CVE-2026-33514
Vulnerability Information
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Vulnerability Title
Discourse: Information Disclosure in Form Template API Due to Missing Authorization
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively for categories they are not authorized to access. Impact is limited to disclosure of site configuration metadata. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Discourse是Discourse开源的一套开源的社区讨论平台。该平台包括社区、电子邮件和聊天室等功能。 Discourse 2026.1.4之前版本、2026.3.1之前版本、2026.4.1之前版本和2026.5.0-latest.1之前版本存在安全漏洞，该漏洞源于表单模板功能允许认证用户读取未授权分类的模板名称和内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-33514
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Advisory · 1Patch · 1
Same Patch Batch · discourse · 2026-05-19 · 3 CVEs total
| CVE-2026-32244 | 5.3 MEDIUM | Discourse: Cached outdated summaries can leak removed content |
| CVE-2026-34154 | Discourse has a subscription access bypass in its discourse-subscriptions plugin |
IV. Related Vulnerabilities
Same product: discourse
- CVE-2026-34154
Discourse has a subscription access bypass in its discourse- - CVE-2026-32244
Discourse: Cached outdated summaries can leak removed conten - CVE-2026-34947
Discourse: Staged user custom fields are exposed on public i - CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes - CVE-2026-33415
Discourse: Improper Access Control in discourse-ai Allows Un
Same vendor: discourse
- CVE-2026-34154
Discourse has a subscription access bypass in its discourse- - CVE-2026-32244
Discourse: Cached outdated summaries can leak removed conten - CVE-2026-34947
Discourse: Staged user custom fields are exposed on public i - CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes - CVE-2026-33415
Discourse: Improper Access Control in discourse-ai Allows Un
Same weakness: CWE-862
- CVE-2026-8381
Broken Access Control in TeamViewer DEX Platform (On Premise - CVE-2026-8684
MotoPress Hotel Booking <= 6.0.1 - Missing Authorization to - CVE-2026-9011
Ditty <= 3.1.65 - Missing Authorization to Unauthenticated S - CVE-2026-8692
Vedrixa Forms <= 1.1.1 - Missing Authorization to Authentica - CVE-2026-2518
FastX <= 1.0.2 - Missing Authorization to Authenticated (Sub
V. Comments for CVE-2026-33514
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