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CVE-2026-72726
Published:August 10, 2026
Updated:August 31, 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.
Affected Packages
https://github.com/discourse/discourse.git (GITHUB):
Affected version(s) >=v0.8.0 <v2026.7.0
Fix Suggestion:
Update to version v2026.7.0
https://github.com/discourse/discourse.git (GITHUB):
Affected version(s) =v2026.6.0 <v2026.6.1
Fix Suggestion:
Update to version v2026.6.1
https://github.com/discourse/discourse.git (GITHUB):
Affected version(s) >=v2026.1.0 <v2026.1.6
Fix Suggestion:
Update to version v2026.1.6
https://github.com/discourse/discourse.git (GITHUB):
Affected version(s) >=v2026.5.0 <v2026.5.2
Fix Suggestion:
Update to version v2026.5.2
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
EPSS
Base Score:
0.33