CVE-2026-27936

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a restriction bypass allows restricted post action counts to be disclosed to non-privileged users through a carefully crafted request. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/discourse/discourse/security/advisories/GHSA-v9r3-p863-6f25	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse::::::::
	cpe:2.3:a:discourse:discourse::::::::
	cpe:2.3:a:discourse:discourse:2026.3.0::::latest:::

History

23 Mar 2026, 20:17

Type	Values Removed	Values Added
References	~~() https://github.com/discourse/discourse/security/advisories/GHSA-v9r3-p863-6f25 -~~	() https://github.com/discourse/discourse/security/advisories/GHSA-v9r3-p863-6f25 - Vendor Advisory
Summary		(es) Discourse es una plataforma de discusión de código abierto. Antes de las versiones 2026.3.0-latest.1, 2026.2.1 y 2026.1.2, una omisión de restricción permite que los recuentos de acciones de publicaciones restringidas sean divulgados a usuarios no privilegiados a través de una solicitud cuidadosamente elaborada. Las versiones 2026.3.0-latest.1, 2026.2.1 y 2026.1.2 contienen un parche. No se conocen soluciones alternativas disponibles.
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.3
First Time		Discourse Discourse discourse
CPE		cpe:2.3:a:discourse:discourse:2026.3.0::::latest::: cpe:2.3:a:discourse:discourse::::::::

19 Mar 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-19 22:16

Updated : 2026-03-23 20:17

NVD link : CVE-2026-27936

Mitre link : CVE-2026-27936

CVE.ORG link : CVE-2026-27936

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-863

Incorrect Authorization

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