Vulnerability · Published Mar 26, 2026 · Assigned by GitHub_M
CVE-2026-33541TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service
Medium 6.5
In plain English
A medium-severity uncontrolled resource consumption in TSPortal from miraheze. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
TSPortal is the WikiTide Foundation’s in-house platform used by the Trust and Safety team to manage reports, investigations, appeals, and transparency work. Prior to version 34, a flaw in TSPortal allowed attackers to create arbitrary user records in the database by abusing validation logic. While validation correctly rejected invalid usernames, a side effect within a validation rule caused user records to be created regardless of whether the request succeeded. This could be exploited to cause uncontrolled database growth, leading to a potential denial of service (DoS). Version 34 contains a fix for the issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | miraheze/ts-portal | 34 | GHSA-f346-8rp3-4h9h |
Affected products (as reported)
Weakness: CWE-400, CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/miraheze/TSPortal/security/advisories/GHSA-f346-8rp3-4h9h x_refsource_CONFIRM