Privilege Escalation Vulnerability in Discourse by Discourse
CVE-2025-69289

5.1MEDIUM

Key Information:

Vendor

Discourse
Status
Discourse
Vendor
CVE Published:
28 January 2026

What is CVE-2025-69289?

Discourse, an open-source discussion platform, has a vulnerability that allows non-admin moderators to bypass email-change restrictions. This can lead to unauthorized account access, compromising non-staff usernames and their associated data. The issue affects versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. To mitigate risks, it is recommended to use trusted moderators or enable the 'require_change_email_confirmation' setting as a precaution.

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Affected Version(s)

discourse < 3.5.4 < 3.5.4

discourse >= 2025.11.0-latest, < 2025.11.2 < 2025.11.0-latest, 2025.11.2

discourse >= 2025.12.0-latest, < 2025.12.1 < 2025.12.0-latest, 2025.12.1

References

https://github.com/discourse/discourse/security/advisorie...
x_refsource_CONFIRM

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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