Medium severity · published Aug 10, 2026
CVE-2026-72726
Discourse: Unauthorized eavesdropping on private AI bot conversations.
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
discourse · discourse
< 2026.1.6; >= 2026.5.0, < 2026.5.2; >= 2026.6.0, < 2026.6.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72726
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72726
github.com
https://github.com/discourse/discourse/commit/01faa889830f56e02fba2f6c1731811d319c5e81
github.com
https://github.com/discourse/discourse/commit/1fb2026eb8004dfeb12553014cc534dfd8083fbc
github.com
https://github.com/discourse/discourse/commit/9247666f8359f3cf214b8aea3d396e8a8237ed38
github.com
https://github.com/discourse/discourse/commit/b56b98232aa4dad4a30500a65e31db0c9080c8f5
github.com
https://github.com/discourse/discourse/security/advisories/GHSA-gw88-2jw8-jf2h
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