Vikunja is an open-source self-hosted task management platform. Starting in version 0.8 and prior to version 2.2.0, unauthenticated users are able to bypass the application's built-in rate-limits by spoofing the `X-Forwarded-For` or `X-Real-IP` headers due to the rate-limit relying on the value of `(echo.Context).RealIP`. Unauthenticated users can abuse endpoints available to them for different potential impacts. The immediate concern would be brute-forcing usernames or specific accounts' passwords. This bypass allows unlimited requests against unauthenticated endpoints. Version 2.2.0 patches the issue.

Project Subscriptions

Vendors Products
Go-vikunja Subscribe
Vikunja Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-m547-hp4w-j6jx Vikunja has a Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 20 Mar 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 20 Mar 2026 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Go-vikunja
Go-vikunja vikunja
Vendors & Products Go-vikunja
Go-vikunja vikunja

Fri, 20 Mar 2026 15:00:00 +0000

Type Values Removed Values Added
Description Vikunja is an open-source self-hosted task management platform. Starting in version 0.8 and prior to version 2.2.0, unauthenticated users are able to bypass the application's built-in rate-limits by spoofing the `X-Forwarded-For` or `X-Real-IP` headers due to the rate-limit relying on the value of `(echo.Context).RealIP`. Unauthenticated users can abuse endpoints available to them for different potential impacts. The immediate concern would be brute-forcing usernames or specific accounts' passwords. This bypass allows unlimited requests against unauthenticated endpoints. Version 2.2.0 patches the issue.
Title Vikunja has Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers
Weaknesses CWE-807
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-20T17:15:23.140Z

Reserved: 2026-03-04T16:26:02.900Z

Link: CVE-2026-29794

cve-icon Vulnrichment

Updated: 2026-03-20T17:15:18.020Z

cve-icon NVD

Status : Received

Published: 2026-03-20T15:16:16.393

Modified: 2026-03-20T15:16:16.393

Link: CVE-2026-29794

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-20T16:27:12Z

Weaknesses