CVE-2026-72726

EUVD-2026-55665
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, an authenticated user could eavesdrop on private AI bot conversations through the AI bot reply stream. The issue is fixed in 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitHub_MCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
discoursediscourse
𝑥
< 2026.1.6
CNA
Common Weakness Enumeration
References
https://github.com/discourse/discourse/commit/01faa889830f56e02fba2f6c1731811d319c5e81
https://github.com/discourse/discourse/commit/1fb2026eb8004dfeb12553014cc534dfd8083fbc
https://github.com/discourse/discourse/commit/9247666f8359f3cf214b8aea3d396e8a8237ed38
https://github.com/discourse/discourse/commit/b56b98232aa4dad4a30500a65e31db0c9080c8f5
https://github.com/discourse/discourse/security/advisories/GHSA-gw88-2jw8-jf2h