EUVD-2026-17565

| CVE-2026-32951 MEDIUM
2026-03-31 GitHub_M
4.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
EUVD ID Assigned
Mar 31, 2026 - 18:16 euvd
EUVD-2026-17565
Analysis Generated
Mar 31, 2026 - 18:16 vuln.today
CVE Published
Mar 31, 2026 - 17:41 nvd
MEDIUM 4.3

Tags

Information Disclosure

Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, an authenticated user can obtain shared draft topic titles by sending an inline onebox request with a category_id parameter matching the shared drafts category. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Analysis

Discourse versions 2026.1.0 through 2026.1.2, 2026.2.0 through 2026.2.1, and 2026.3.0 prior to patching allow authenticated users to disclose shared draft topic titles via specially crafted inline onebox requests that reference the shared drafts category. An attacker with valid Discourse credentials can enumerate and read draft titles not intended for their access, violating information confidentiality. …

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Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +22
POC: 0

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EUVD-2026-17565 vulnerability details – vuln.today
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