Auth bypass in Go-Vikunja Vikunja
CVE-2026-33316
Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.0, 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 through `/api/v1/user/password/token` and completing the reset via `/api/v1/user/password/reset`, a disabled user can reactivate their account and bypass administrator-imposed account disablement. Version 2.2.0 patches the issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
- Go-Vikunja Vikunja — versions < 2.2.0
- Vikunja
Weakness classification (CWE)
References
- github.com/go-vikunja/vikunja/security/advisories/GHSA-vq4q-79hh-q767 (Exploit, Vendor Advisory)
- github.com/go-vikunja/vikunja/commit/049f4a6be46f9460bd516f489ef9f569574bc70d (Patch)
- github.com/go-vikunja/vikunja/commit/d8570c603da1f26635ce6048d6af85ede827abfb (Patch)
- vikunja.io/changelog/vikunja-v2.2.0-was-released (Release Notes)
Frequently asked questions
- What is CVE-2026-33316?
- CVE-2026-33316 is a high-severity vulnerability in Go-Vikunja Vikunja, classified under Improper Access Control. CVSS score: 8.1/10. Published 2026-03-24.
- How severe is CVE-2026-33316?
- High severity. CVSS v3 base score is 8.1 out of 10.