Eavesdropping Vulnerability in Discourse Discussion Platform
CVE-2026-72726

6.5MEDIUM

Key Information:

Vendor

Discourse
Status
Discourse
Vendor
CVE Published:
10 August 2026

What is CVE-2026-72726?

In the Discourse platform, prior to specified versions, an authenticated user could leverage a vulnerability to eavesdrop on private conversations held by AI bots via the reply stream. This issue has since been remediated in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, enhancing the platform's security against unauthorized data exposure.

Affected Version(s)

discourse < 2026.1.6 < 2026.1.6

discourse >= 2026.5.0, < 2026.5.2 < 2026.5.0, 2026.5.2

discourse >= 2026.6.0, < 2026.6.1 < 2026.6.0, 2026.6.1

References

https://github.com/discourse/discourse/security/advisorie...
x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/01faa889830...
x_refsource_MISC
https://github.com/discourse/discourse/commit/1fb2026eb80...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.