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CVE

CWE

Training

CVE-2026-27934

Published: Mar 19, 2026

Modified: Mar 20, 2026

PUBLISHED

Description

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a lack of visibility checks with a user action API endpoint that results in disclosure of the title and post excerpt to unauthorized users, leading to information disclosure. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Vendor	Product	Versions
discourse	discourse	affected `>= 2026.1.0-latest, < 2026.1.2` affected `>= 2026.2.0-latest, < 2026.2.1` affected `= 2026.3.0-latest`

Weaknesses (CWE)

References

https://github.com/discourse/discourse/security/advisories/GHSA-824f-66wh-xx3g

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