Unrated severityNVD Advisory· Published Mar 19, 2026· Updated Mar 20, 2026
Discourse filters whisper posts from private-posts feed
CVE-2026-33355
Description
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the /private-posts endpoint did not apply post-type visibility filtering, allowing regular PM participants to see whisper posts in PM topics they had access to. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
Affected products
1- Range: >= 2026.1.0-latest, < 2026.1.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/discourse/discourse/commit/84e5865a279716c6866e8c0648d1d8b42320603cmitrex_refsource_MISC
- github.com/discourse/discourse/commit/d25b8ee9ee182dbb34e92b34e39878ce4d59bcdcmitrex_refsource_MISC
- github.com/discourse/discourse/commit/d2f317271ad7638f1e2791905472ebd9370946d1mitrex_refsource_MISC
- github.com/discourse/discourse/security/advisories/GHSA-g4v5-6gfp-3hjqmitrex_refsource_CONFIRM
News mentions
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