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

Published Jan 28, 2026
·
Updated

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 "requirechangeemailconfirmation" setting.

Affected Software

5 affected components
Discourse Discourse<3.5.4, <2025.11.2, <2025.12.1, <2026.1.0
Discourse Discourse<3.5.4
Discourse Discourse>=2025.11.0<2025.11.2
Discourse Discourse=2025.12.0
Discourse Discourse=2026.1.0

Event History

Jan 28, 2026
CVE Published
via MITRE·07:33 PM
Data Sourced
via MITRE·07:33 PM
DescriptionWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Jan 10, 58053
Event
via NVD·03:09 PM

Frequently Asked Questions

1

What is the severity of CVE-2025-69289?

CVE-2025-69289 is classified as a high severity vulnerability due to its potential for privilege escalation.

2

How do I fix CVE-2025-69289?

To fix CVE-2025-69289, upgrade to Discourse version 3.5.4 or later, or versions 2025.11.2, 2025.12.1, or 2026.1.0.

3

Which versions of Discourse are affected by CVE-2025-69289?

CVE-2025-69289 affects all Discourse versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0.

4

What type of attack does CVE-2025-69289 enable?

CVE-2025-69289 enables non-admin moderators to take over any non-staff account via email change, leading to unauthorized access.

5

Is CVE-2025-69289 a critical vulnerability?

Yes, CVE-2025-69289 is considered critical as it allows for significant privilege escalation for users without administrative roles.

Contact

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