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Discourse CVE-2026-33408

LOW
Missing Authorization (CWE-862)
2026-03-19 GitHub_M
Authentication Bypass Discourse
2.2
CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY
2.2 LOW
AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 19, 2026 - 23:00 vuln.today
CVE Published
Mar 19, 2026 - 22:35 nvd
LOW 2.2

DescriptionGitHub Advisory

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

AnalysisAI

Discourse is an open-source discussion platform.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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CVE-2026-33408 vulnerability details – vuln.today
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