CVE-2026-33074

Discourse: Vulnerability in discourse-subscriptions plugin allowing users to self-grant to higher tier subscriptions

State: Published
Severity: 6.3 Medium
Published: Mar 31, 2026
Updated: Mar 31, 2026
Reserved: Mar 17, 2026

Description

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, a user may be able to purchase a lower tier subscription but grant themselves the benefits that comes along with a higher tier subscription. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-269 Improper Privilege Management
CWE-285 Improper Authorization

Affected Products

Product	Versions
discoursediscourse	>= 2026.1.0-latest, < 2026.1.3Affected >= 2026.2.0-latest, < 2026.2.2Affected >= 2026.3.0-latest, < 2026.3.0Affected

References

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