---
id: GHSA-2922-qgfj-pr7v
title: >-
  Duplicate Advisory: Vikunja: Any user can enumerate every team and its members
  by attaching arbitrary teams to a throwaway project
summary: >-
  Duplicate Advisory: Vikunja: Any user can enumerate every team and its members
  by attaching arbitrary teams to a throwaway project
severity: medium
cvss: 4.3
cwe:
  - CWE-200
vendor: api
product: code.vikunja.io/api
ecosystem: go
affected:
  - code.vikunja.io/api <= 2.5.0
published: '2026-09-15'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T20:52:21Z'
source: GHSA
sourceUrl: 'https://github.com/advisories/GHSA-2922-qgfj-pr7v'
references:
  - url: >-
      https://github.com/go-vikunja/vikunja/security/advisories/GHSA-39p5-2wrr-xh29
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91980'
  - url: >-
      https://www.vulncheck.com/advisories/vikunja-before-2.6.0-team-enumeration-via-project-share
  - url: 'https://github.com/advisories/GHSA-2922-qgfj-pr7v'
tags:
  - ghsa
  - go
ingestedAt: '2026-10-09T21:12:42.329Z'
---

## Overview

### Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-39p5-2wrr-xh29. This link is maintained to preserve external references.

### Original Description
vikunja before 2.6.0 fails to validate team access when attaching teams to projects, allowing authenticated users to enumerate all teams and members. Attackers can attach arbitrary team IDs via the project teams endpoint to retrieve complete team rosters including member names and admin flags for unauthorized teams.

## Affected packages

- `code.vikunja.io/api <= 2.5.0`

## Remediation

Refer to the advisory for the patched release.