CVE-2026-33073 LOW

CVE-2026-33073: discourse-subscriptions plugin leaking stripe API key in multisite environment

Vendor Discourse
Product discourse
Weakness CWE-200 · Info exposure
Published March 31, 2026
Last update April 3, 2026

CVSS base score

2.0/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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, the discourse-subscriptions plugin leaks stripe API keys across sites in a multisite cluster resulting in the potential for stripe related information to be leaked across sites within the same multisite cluster. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
April 3, 2026 Record updated