CVE-2025-49845

Discourse users are able to see their own whispers even after being removed from a group that has been configured to see whispers

State: Published
Severity: 6.3 Medium
Published: Jun 25, 2025
Updated: Jun 26, 2025
Reserved: Jun 11, 2025

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Description

Discourse is an open-source discussion platform. The visibility of posts typed `whisper` is controlled via the `whispers_allowed_groups` site setting. Only users that belong to groups specified in the site setting are allowed to view posts typed `whisper`. However, it has been discovered that users of versions prior to 3.4.6 on the `stable` branch and prior to 3.5.0.beta8-dev on the `tests-passed` branch can continue to see their own whispers even after losing visibility of posts typed `whisper`. This issue is patched in versions 3.4.6 and 3.5.0.beta8-dev. No known workarounds are available.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
discoursediscourse	< 3.4.6Affected >= 3.5.0.beta0-dev, < 3.5.0.beta8-devAffected

References

https://github.com/discourse/discourse/security/advisories/GHSA-79qw-r73r-69gf

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