CVE-2026-33541

MEDIUM

TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0006
EPSS Percentile 17.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400 CWE-770
Status published
Products (3)
miraheze/ts-portal 0 - 34Packagist
miraheze/TSPortal < 34
wikitide/tsportal < 34
Published Mar 26, 2026
Tracked Since Mar 27, 2026