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Industrial CVE-2026-28227

LOW
Incorrect Authorization (CWE-863)
2026-02-26 security-advisories@github.com
Industrial
2.7
CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:56 vuln.today
CVE Published
Feb 26, 2026 - 22:20 nvd
LOW 2.7

DescriptionNVD

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users can publish topics into staff-only categories via the publish_to_category topic timer, bypassing authorization checks. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

AnalysisAI

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users can publish topics into staff-only categories via the publish_to_category topic timer, bypassing authorization checks. …

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RemediationAI

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

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CVE-2026-28227 vulnerability details – vuln.today
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