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CVE-2025-68660— Discourse AI Discover's continue conversation allows threat actor to impersonate user

EPSS 0.01% · P2
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I. Basic Information for CVE-2025-68660

Vulnerability Information
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Vulnerability Title
Discourse AI Discover's continue conversation allows threat actor to impersonate user
Source: NVD (National Vulnerability Database)
Vulnerability Description
Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, an endpoint lets any authenticated user bypass the ai_discover_persona access controls and gain ongoing DM access to personas that may be wired to staff-only categories, RAG document sets, or automated tooling, enabling unauthorized data disclosure. Because the controller also accepts arbitrary user_id, an attacker can impersonate other accounts to trigger unwanted AI conversations on their behalf, generating confusing or abusive PM traffic. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
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 3.5.4之前版本、2025.11.2之前版本、2025.12.1之前版本和2026.1.0之前版本存在安全漏洞，该漏洞源于端点允许任何经过身份验证的用户绕过ai_discover_persona访问控制，可能导致未经授权的数据泄露和账户冒充。
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 < 3.5.4 -

II. Public POCs for CVE-2025-68660

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III. Intelligence Information for CVE-2025-68660

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Same Patch Batch · discourse · 2026-01-28 · 14 CVEs total

CVE-2025-686627.6 HIGHFinalDestination hostname matching allows SSRF protection bypass
CVE-2025-684797.1 HIGHDiscourse subscriptions are susceptible to takeover
CVE-2025-689336.9 MEDIUMDiscourse non-admin moderators can exfiltrate private content via post ownership transfer
CVE-2026-247426.5 MEDIUMDiscourse staff action logs expose sensitive information to moderators
CVE-2026-218656.5 MEDIUMDiscourse topic conversion permission vulnerability for moderators
CVE-2025-689346.5 MEDIUMDiscourse Has Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint
CVE-2025-677234.6 MEDIUMDiscourse vulnerable to stored Cross-site Scripting via Katex in discourse-math plugin
CVE-2025-664884.6 MEDIUMDiscourse allows script execution in uploaded HTML/XML files on S3
CVE-2025-686594.3 MEDIUMDiscourse has DoS vulnerability in username change endpoint
CVE-2026-23743Discourse allows permalinks to restricted resources to leak resource slugs to unauthorized
CVE-2025-69289Discourse has insecure default configuration that allows non-admin moderators to takeover
CVE-2025-69218Discourse moderators can access admin-only reports exposing private upload URLs
CVE-2025-68666Discourse users archives leaked to users with moderation privileges

IV. Related Vulnerabilities

Same product: discourse
Same vendor: discourse
Same weakness: CWE-863

V. Comments for CVE-2025-68660

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