GHSA-VQ4Q-79HH-Q767 Vikunja’s Improper Access Control Enables Bypass of Administrator-Imposed Account Disablement

Summary A flaw in Vikunja’s password reset logic allows disabled users to regain access to their accounts. The ResetPassword function sets the user’s status to StatusActive after a successful password reset without verifying whether the account was previously disabled. By requesting a reset token...

Vikunja has a 2FA Bypass via Caldav Basic Auth

Summary The Caldav endpoint allows login using Basic Authentication, which in turn allows users to bypass the TOTP on 2FA-enabled accounts. The user can then access standard project information that would normally be protected behind 2FA if enabled, such as project name, description, etc. Details...

EUVD-2026-13708

Vikunja read-only users can delete project background images via broken object-level authorization...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the RemoveProjectBackground process. An attacker can permanently delete background images by sending a DELETE request to the relevant API endpoint with only read-level permissions. Remediation Upgrade...

CVE-2026-33312

Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the DELETE /api/v1/projects/:project/background endpoint checks CanRead permission instead of CanUpdate, allowing any user with read-only access to a project to permanently delet...

CVE-2026-29794

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...

CVE-2026-33312

Vikunja open‑source self-hosted task management platform. Affected: versions 0.20.2 through 2.1.x (prior to 2.2.0). Issue: the DELETE /api/v1/projects/:project/background endpoint checks CanRead instead of CanUpdate, allowing any user with read‑only access to a project to permanently delete its b...

CVE-2026-33312 Read-only Vikunja users can delete project background images via broken object-level authorization

Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the DELETE /api/v1/projects/:project/background endpoint checks CanRead permission instead of CanUpdate, allowing any user with read-only access to a project to permanently delet...

CVE-2026-33312 Read-only Vikunja users can delete project background images via broken object-level authorization

Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the DELETE /api/v1/projects/:project/background endpoint checks CanRead permission instead of CanUpdate, allowing any user with read-only access to a project to permanently delet...

CVE-2026-33312 Read-only Vikunja users can delete project background images via broken object-level authorization

Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the DELETE /api/v1/projects/:project/background endpoint checks CanRead permission instead of CanUpdate, allowing any user with read-only access to a project to permanently delet...

EUVD-2026-13706

Vikunja has a Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers...

CVE-2026-29794

Vikunja (open-source self-hosted task management) before version 2.2.0 is affected by a rate-limit bypass vulnerability. The issue arises because rate-limiting is enforced using (echo.Context).RealIP, and unauthenticated requests can spoof headers X-Forwarded-For or X-Real-IP to bypass limits. Th...

CVE-2026-29794 Vikunja has Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers

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...

CVE-2026-29794 Vikunja has Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers

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...

CVE-2026-29794

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...

CVE-2026-29794 Vikunja has Rate-Limit Bypass for Unauthenticated Users via Spoofed Headers

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...

CVE-2026-33315

creationtimestamp| type| source ---|---|--- 2026-03-20 13:49:29+00:00| published-proof-of-concept| https://github.com/go-vikunja/vikunja/security/advisories/GHSA-47cr-f226-r4pq...

PT-2026-26622

Name of the Vulnerable Software and Affected Versions Vikunja versions 0.20.2 through 2.1.9 Description Vikunja is a self-hosted task management platform. A flaw exists in the DELETE /api/v1/projects/:project/background endpoint where it incorrectly checks CanRead permission instead of CanUpdate...

Vikunja Affected by DoS via Image Preview Generation

Vulnerability: Unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. - Affected code: - Decoding without bounds: taskattachment.go:GetPreview - Resizing path: resizeImage - Endpoint...

Vikunja 安全漏洞

Vikunja is an open-source to-do application developed by Vikunja developers. Versions of Vikunja from 0.8 to 2.2.0 contained security vulnerabilities. These vulnerabilities stemmed from a rate-limiting mechanism that relied on RealIP values. This allowed unverified users to bypass rate limits by...