Skip to main content

Discourse CVE-2026-27935

| EUVD-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

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

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.

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts
Continue with Google Continue with GitHub

Free forever · No credit card required

Vulnerability AssessmentAI

Risk Assessment CVSS 6.5. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability in Discourse to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.
Remediation Monitor vendor channels for patch availability. Detailed patch versions, workarounds, and compensating controls in full report.
Sign in to read full assessment

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

More from same product – last 7 days

CVE-2026-44786 HIGH
7.5 Jun 12

Information disclosure in Discourse discussion platform allows any MessageBus subscriber to receive real-time chat messa
CVE-2026-45775 MEDIUM
6.8 Jun 12

Path traversal in Discourse's backup download handler allows an authenticated administrator on one site within a multisi
CVE-2026-44784 MEDIUM
6.5 Jun 12

Discourse group owners can retrieve plaintext SMTP credentials - including passwords, usernames, server, port, and SSL m
CVE-2026-44783 MEDIUM
5.4 Jun 12

Whisper channel access control in Discourse can be bypassed by any authenticated forum user, allowing injection of conte
CVE-2026-45085 MEDIUM
5.3 Jun 12

Discourse chat plugin across versions 2026.1.0-2026.4.x contains four authorization deficiencies (CWE-862) enabling both

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