CVE-2026-33668HIGH 8.1EPSS p35.9%

CVE-2026-33668CVE-2026-33668

Description

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV basic auth, and OpenID Connect — do not verify user status, allowing disabled or locked users to continue accessing the API and syncing data. Version 2.2.1 patches the issue.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.45% probability of exploitation · percentile 35.9% · 2026-06-19T12:03:05Z
Published2026-03-24
Last modified2026-03-27

Underlying weaknesses· 2

CWE-285CWE-863

References

  1. https://github.com/go-vikunja/vikunja/commit/033922309f492996c928122fb49b691339199c35
  2. https://github.com/go-vikunja/vikunja/commit/04704e0fde4b027039cf583110cee7afe136fc1b
  3. https://github.com/go-vikunja/vikunja/commit/0b04768d830c80e9fde1b0962db1499cc652da0e
  4. https://github.com/go-vikunja/vikunja/commit/fd452b9cb6457fd4f9936527a14c359818f1cca7
  5. https://github.com/go-vikunja/vikunja/security/advisories/GHSA-94xm-jj8x-3cr4
  6. https://vikunja.io/changelog/vikunja-v2.2.2-was-released

2

TypeTargetConfidenceTier
WeaknessImproper Authorizationcwe-2850%live
WeaknessIncorrect Authorizationcwe-8630%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.