CVE-2026-33514

EUVD-2026-30821
Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively for categories they are not authorized to access. Impact is limited to disclosure of site configuration metadata. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitHub_MCNA
6 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
discoursediscourse
𝑥
< 2026.1.4
CNA
Common Weakness Enumeration
References
https://github.com/discourse/discourse/commit/ae5c9570fb918442c4d96abc83c1e7e169909b02
https://github.com/discourse/discourse/security/advisories/GHSA-w6g7-p2p9-2m5h