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CVE-2026-33316

Vikunja broken access control

8.1 HIGHPublic exploitEPSS 0.44%
  1. Published24 Mar 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

Vikunja< 2.2.0

Remediation

Fixed in
Vikunja≥ 2.2.0

References

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Frequently asked

Is CVE-2026-33316 being actively exploited?

CVE-2026-33316 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.44%.

How severe is CVE-2026-33316?

CVE-2026-33316 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.44% probability of exploitation.

Which products are affected by CVE-2026-33316?

Affected products include Vikunja.

How do I fix CVE-2026-33316?

Upgrade affected software to a fixed version, for example Vikunja 2.2.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.