CVE-2026-27935
MEDIUM
6,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
Description
AI Translation Available
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.
201
Insertion of Sensitive Information Into Sent Data
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Potential Impacts:
Read Files Or Directories
Read Memory
Read Application Data
Applicable Platforms
All platforms may be affected
https://github.com/discourse/discourse/commit/c0f6e9a903800de0dda65c114418ae703…
https://github.com/discourse/discourse/commit/d8dbb4cb189cded8c9e8b3ada859fc0db…
https://github.com/discourse/discourse/commit/f37e4fdf8391e4a54f1885a3a5514d390…
https://github.com/discourse/discourse/security/advisories/GHSA-wxqr-r4wv-cw76