CVE-2026-34154— Discourse has a subscription access bypass in its discourse-subscriptions plugin
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-34154
Vulnerability Information
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Vulnerability Title
Discourse has a subscription access bypass in its discourse-subscriptions plugin
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, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. 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discourse-subscriptions插件允许用户无需完成支付即可访问订阅限制组。
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-2026-34154
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-34154 (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| CVE-2026-32244 | 5.3 MEDIUM | Discourse: Cached outdated summaries can leak removed content |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-2026-33514 | Discourse: Information Disclosure in Form Template API Due to Missing Authorization |
IV. Related Vulnerabilities
Same product: discourse
- CVE-2026-33514
Discourse: Information Disclosure in Form Template API Due t - 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Discourse: Cached outdated summaries can leak removed conten - CVE-2026-34947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-2026-33514
Discourse: Information Disclosure in Form Template API Due t - 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
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V. Comments for CVE-2026-34154
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