CVE-2026-32951 | BDVDB-2026-323901 Detail

discoursediscourse

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References#

Exploit#

No public exploit known

History#

Version 12026-03-31Record published in the CVE List.
Version 22026-04-01Most recent update recorded in the CVE List.

Published

Published: 2026-03-31
Last modified: 2026-04-01

Vendor information

Vendor: discourse
Product: discourse

All discourse vulnerabilities

Score

4.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 11.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Information Disclosure

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2026.1.0-latest, < 2026.1.3
Fixed
Not stated
Vulnerable
>= 2026.2.0-latest, < 2026.2.2
Fixed
Not stated
Vulnerable
>= 2026.3.0-latest, < 2026.3.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).