Vulnerability Details CVE-2026-33291
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators can create Zendesk tickets for topics they do not have access to view. This affects all forums that use the Zendesk plugin. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.4%
CVSS Severity
CVSS v3 Score 5.4
Products affected by CVE-2026-33291
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cpe:2.3:a:discourse:discourse:2026.1.0
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cpe:2.3:a:discourse:discourse:2026.2.0
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cpe:2.3:a:discourse:discourse:2026.3.0