CVE-2026-72726 PUBLISHED

Discourse: Unauthorized eavesdropping on private AI bot conversations.

Assigner: GitHub_M
Reserved: 10.08.2026 Published: 10.08.2026 Updated: 10.08.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	discourse
Product	discourse
Versions	Version < 2026.1.6 is affected Version >= 2026.5.0, < 2026.5.2 is affected Version >= 2026.6.0, < 2026.6.1 is affected

References

https://github.com/discourse/discourse/security/advisories/GHSA-gw88-2jw8-jf2h
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

Problem Types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE