Allocation of Resources Without Limits or Throttling in Discourse - CVE-2022-37458
Published: August 10, 2022 / Updated: July 1, 2026
Vulnerability identifier: #VU136075
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-37458
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Civilized Discourse Construction Kit, Inc.
Affected software:
Discourse
Discourse
Detailed vulnerability description
The vulnerability allows a remote user to send unsolicited invitation emails to arbitrary email addresses.
The vulnerability exists due to improper rate limiting in the invitation system when sending topic invitation emails. A remote user can send invitation emails in some cases to send unsolicited invitation emails to arbitrary email addresses.
How to mitigate CVE-2022-37458
Install security update from vendor's website.