CVE-2026-84302
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, Discourse AI reviewables associated with private messages could appear in the moderator review queue of a moderator who was not a participant in the message. Reviewable visibility filtering did not restrict private-message reviewables to the audience permitted to access the underlying private-message topic, allowing the moderator to read otherwise confidential content. Depending on the available reviewable action, the moderator could also modify the private message by closing its topic or deleting a post. Exploitation requires an authenticated moderator account and a pre-existing Discourse AI reviewable associated with a private message. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.
Debilidad
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, Discourse AI reviewables associated with private messages could appear in the moderator review queue of a moderator who was not a participant in the message. Reviewable visibility filtering did not restrict private-message reviewables to the audience permitted to access the underlying private-message topic, allowing the moderator to read otherwise confidential content. Depending on the available reviewable action, the moderator could also modify the private message by closing its topic or deleting a post. Exploitation requires an authenticated moderator account and a pre-existing Discourse AI reviewable associated with a private message. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.
Referencias
- https://github.com/discourse/discourse/commit/1566d04524c01472375944bbf7b198dd09a99427
- https://github.com/discourse/discourse/commit/23488b72a200228e805c4e6d970fbad216d328c5
- https://github.com/discourse/discourse/commit/38d10c0e5d1b76540d2860455e0290f8e975c9fd
- https://github.com/discourse/discourse/commit/b323702d87cd82c327c116d9566477f3c4f9635f
- https://github.com/discourse/discourse/pull/42091
- https://github.com/discourse/discourse/security/advisories/GHSA-3rx9-fqgh-wfpc
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