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CVE-2025-69289— Discourse has insecure default configuration that allows non-admin moderators to takeover any non-staff account via email change

Quick assessment

Affected
discourse discourse
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于权限提升漏洞允许非管理员版主绕过电子邮件更改限制，可能导致账户接管。

AI Predicted 7.5 Difficulty: Easy EPSS 0.16% · P6
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I. Basic Information for CVE-2025-69289

Vulnerability Information
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Vulnerability Title
Discourse has insecure default configuration that allows non-admin moderators to takeover any non-staff account via email change
Source: CVE Program / CVE List V5
Vulnerability Description
Discourse is an open source discussion platform. A privilege escalation vulnerability in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 allows a non-admin moderator to bypass email-change restrictions, allowing a takeover of non-staff accounts. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. As a workaround, ensure moderators are trusted or enable the "require_change_email_confirmation" setting.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
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，该漏洞源于权限提升漏洞允许非管理员版主绕过电子邮件更改限制，可能导致账户接管。
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

Vendor Product Affected Versions CPE Subscribe
discourse discourse < 3.5.4 -

II. Public POCs for CVE-2025-69289

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III. Intelligence Information for CVE-2025-69289

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Vendor Advisories for CVE-2025-69289 (1)

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

CVE-2025-68662 7.6 HIGH FinalDestination hostname matching allows SSRF protection bypass
CVE-2025-68479 7.1 HIGH Discourse subscriptions are susceptible to takeover
CVE-2025-68933 6.9 MEDIUM Discourse non-admin moderators can exfiltrate private content via post ownership transfer
CVE-2026-24742 6.5 MEDIUM Discourse staff action logs expose sensitive information to moderators
CVE-2026-21865 6.5 MEDIUM Discourse topic conversion permission vulnerability for moderators
CVE-2025-68934 6.5 MEDIUM Discourse Has Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint
CVE-2025-67723 4.6 MEDIUM Discourse vulnerable to stored Cross-site Scripting via Katex in discourse-math plugin
CVE-2025-66488 4.6 MEDIUM Discourse allows script execution in uploaded HTML/XML files on S3
CVE-2025-68659 4.3 MEDIUM Discourse has DoS vulnerability in username change endpoint
CVE-2026-23743 Discourse allows permalinks to restricted resources to leak resource slugs to unauthorized
CVE-2025-69218 Discourse moderators can access admin-only reports exposing private upload URLs
CVE-2025-68666 Discourse users archives leaked to users with moderation privileges
CVE-2025-68660 Discourse AI Discover's continue conversation allows threat actor to impersonate user

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-69289

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