Skip to main content

Discourse CVE-2026-27935

| EUVDEUVD-2026-13239 MEDIUM
Insertion of Sensitive Information Into Sent Data (CWE-201)
2026-03-19 GitHub_M
Information Disclosure Discourse
6.5
CVSS 3.1 · GitHub Advisory
Share

Severity by source

GitHub Advisory PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
2026.2.1,2026.1.2
EUVD ID Assigned
Mar 19, 2026 - 22:00 euvd
EUVD-2026-13239
Analysis Generated
Mar 19, 2026 - 22:00 vuln.today
CVE Published
Mar 19, 2026 - 21:33 nvd
MEDIUM 6.5

DescriptionGitHub Advisory

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a vulnerability in an API endpoint that discloses private topic metadata of admin users to moderator users even if the moderators do not have access to the private topics. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

AnalysisAI

A remote code execution vulnerability in Discourse (CVSS 6.5). Remediation should follow standard vulnerability management procedures.

Technical ContextAI

CWE-201 (Information Exposure via Sent Data). Affects Discourse.

RemediationAI

Monitor vendor channels for patch availability.

More in Discourse

View all
CVE-2025-48954 HIGH POC
8.1 Jun 25

Discourse versions prior to 3.5.0.beta6 contain a reflected cross-site scripting (XSS) vulnerability in social login fun
CVE-2024-47773 HIGH POC
8.2 Oct 08

Discourse is an open source platform for community discussion. Rated high severity (CVSS 8.2), this vulnerability is rem
CVE-2021-3138 HIGH POC
7.5 Jan 14

In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms. Rated

CVE-2023-38706 MEDIUM POC
6.5 Sep 15

Discourse is an open-source discussion platform. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploi
CVE-2024-53991 MEDIUM POC
5.9 Dec 19

Discourse is an open source platform for community discussion. Rated medium severity (CVSS 5.9), this vulnerability is r
CVE-2025-48877 CRITICAL
9.8 Jun 09

Discourse versions prior to 3.4.4 (stable), 3.5.0.beta5 (beta), and 3.5.0.beta6-dev (tests-passed) contain a critical vu
CVE-2023-47121 CRITICAL
9.8 Nov 10

Discourse is an open source platform for community discussion. Rated critical severity (CVSS 9.8), this vulnerability is
CVE-2021-41163 CRITICAL
9.8 Oct 20

Discourse is an open source platform for community discussion. Rated critical severity (CVSS 9.8), this vulnerability is
CVE-2024-49765 CRITICAL
9.1 Dec 19

Discourse is an open source platform for community discussion. Rated critical severity (CVSS 9.1), this vulnerability is
CVE-2026-53963 CRITICAL
9.0 Jul 09

Stored cross-site scripting in the Discourse discussion platform allows a low-privileged registered user to set a malici
CVE-2022-39356 HIGH
8.8 Nov 02

Discourse is a platform for community discussion. Rated high severity (CVSS 8.8), this vulnerability is remotely exploit
CVE-2026-27934 HIGH
8.7 Mar 19

Unauthorized information disclosure in Discourse discussion platform versions prior to 2026.3.0-latest.1, 2026.2.1, and

Same weakness CWE-201 – Insertion of Sensitive Information Into Sent Data

View all
CVE-2026-39912 CRITICAL POC
9.1
CVE-2021-26566 CRITICAL POC
9.0
CVE-2025-60188 HIGH POC
7.5
CVE-2024-43283 MEDIUM POC
5.3
CVE-2020-37150 HIGH POC
7.5
CVE-2024-32825 HIGH POC
7.5
CVE-2025-31134 HIGH POC
7.5
CVE-2026-47717 HIGH POC
7.5

Same technique Information Disclosure

View all
CVE-2019-2725 CRITICAL POC
9.8
CVE-2021-34523 CRITICAL POC
9.0
CVE-2013-2251 CRITICAL POC
9.8
CVE-2017-5638 CRITICAL POC
9.8
CVE-2025-24813 CRITICAL POC
9.8
CVE-2015-1701 HIGH POC
7.8
CVE-2017-0147 HIGH POC
7.5
CVE-2014-6324 HIGH POC
8.8

Share

CVE-2026-27935 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy