CVE-2026-34154

LOW

Discourse has a subscription access bypass in its discourse-subscriptions plugin

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v4 2.1
EPSS 0.0004
EPSS Percentile 12.5%
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

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (4)
discourse/discourse < 2026.1.4
discourse/discourse >= 2026.3.0-latest, < 2026.3.1
discourse/discourse >= 2026.4.0-latest, < 2026.4.1
discourse/discourse >= 2026.5.0-latest, < 2026.5.0-latest.1
Published May 19, 2026
Tracked Since May 19, 2026