CVE-2026-30891

| EUVD-2026-13492 MEDIUM
2026-03-20 [email protected]
6.5
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 20, 2026 - 08:37 vuln.today
EUVD ID Assigned
Mar 20, 2026 - 08:37 euvd
EUVD-2026-13492
CVE Published
Mar 20, 2026 - 03:15 nvd
MEDIUM 6.5

Tags

Information Disclosure

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a user could access another user's private activity due to insufficient authorization checks in the user actions endpoint. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch.

Analysis

Discourse versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain an authorization bypass vulnerability in the user actions endpoint that allows authenticated users to access other users' private activity data. An attacker with valid login credentials can enumerate and view private user actions without proper permission checks, resulting in information disclosure. …

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Remediation

Within 30 days: Identify affected systems running the user actions endpoint. and apply vendor patches as part of regular patch cycle. …

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-30891 vulnerability details – vuln.today
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