Improper access control in Discourse - CVE-2026-32244

 

Improper access control in Discourse - CVE-2026-32244

Published: July 1, 2026


Vulnerability identifier: #VU136591
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-32244
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Civilized Discourse Construction Kit, Inc.
Affected software:
Discourse

Detailed vulnerability description

The vulnerability allows a remote attacker to disclose removed content.

The vulnerability exists due to improper access control in cached AI summaries when serving previously generated summaries. A remote attacker can access outdated summaries to disclose removed content.

The issue affects anonymous and unprivileged users who cannot regenerate summaries.


How to mitigate CVE-2026-32244

Install security update from vendor's website.

Sources