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Discourse Subscriptions CVE-2026-34154

| EUVD-2026-30969 LOW
Missing Authorization (CWE-862)
2026-05-19 GitHub_M
Authentication Bypass
2.1
CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
A
Scope
X

Lifecycle Timeline

3
Patch available
May 19, 2026 - 20:02 EUVD
Analysis Generated
May 19, 2026 - 19:31 vuln.today
CVSS changed
May 19, 2026 - 19:22 NVD
2.1 (LOW)

DescriptionNVD

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1.

AnalysisAI

Payment bypass in the discourse-subscriptions plugin allows unauthenticated users to gain membership in subscription-gated groups without completing a financial transaction. Affected are all Discourse installations running the subscriptions plugin prior to fixed versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0-latest.1. …

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CVE-2026-34154 vulnerability details – vuln.today
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