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CVE-2026-32619— Discourse: Insufficient topic visibility check allows unauthorized poll manipulation in private categories

EPSS 0.04% · P11
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I. Basic Information for CVE-2026-32619

Vulnerability Information
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Vulnerability Title
Discourse: Insufficient topic visibility check allows unauthorized poll manipulation in private categories
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, users who lost access to a topic (e.g., removed from a private category group) could still interact with polls in that topic, including voting and toggling poll status. No content was exposed, but users could modify poll state in topics they should no longer have access to. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Discourse 授权问题漏洞
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 2026.1.3之前版本、2026.2.2之前版本和2026.3.0之前版本存在授权问题漏洞，该漏洞源于失去主题访问权限的用户仍可与其内的投票互动，包括投票和切换投票状态，可能导致修改无权访问主题的投票状态。
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

VendorProductAffected VersionsCPESubscribe
discoursediscourse >= 2026.1.0-latest, < 2026.1.3 -

II. Public POCs for CVE-2026-32619

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III. Intelligence Information for CVE-2026-32619

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Same Patch Batch · discourse · 2026-03-31 · 15 CVEs total

CVE-2026-322735.4 MEDIUMDiscourse: XSS on category description update via API
CVE-2026-326184.3 MEDIUMDiscourse: Unauthorized channel membership inference via excluded_memberships_channel_id
CVE-2026-329514.3 MEDIUMDiscourse: Authorization bypass in oneboxer via user-controlled category id
CVE-2026-32113Discourse: Open redirect via `sso_destination_url` cookie in `enter`
CVE-2026-32607Discourse: Stored XSS via unescaped assignee name
CVE-2026-32620Discourse: Missing post-level authorization allows whisper metadata disclosure
CVE-2026-32243Discourse: Stored XSS in discourse-ai shared conversations onebox
CVE-2026-32615Discourse: Category group moderators can perform actions on topics in restricted categorie
CVE-2026-32143Discourse: Admin-only report can be exported by moderators
CVE-2026-33074Discourse: Vulnerability in discourse-subscriptions plugin allowing users to self-grant to
CVE-2026-33073discourse-subscriptions plugin leaking stripe API key in multisite environment
CVE-2026-33415Discourse: Improper Access Control in discourse-ai Allows Unauthorized Category Content Ex
CVE-2026-33300Discourse: Hidden group names and access metadata are exposed to moderators through the `c
CVE-2026-33185Discourse: Group SMTP test endpoint susceptible to SSRF

IV. Related Vulnerabilities

Same product: discourse
Same vendor: discourse
Same weakness: CWE-285

V. Comments for CVE-2026-32619

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