Is CVE-2026-33312 actively exploited?

CVE-2026-33312 has no public evidence of in-the-wild exploitation as of 2026-03-24.

What is the CVSS score for CVE-2026-33312?

CVE-2026-33312 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2026-33312?

Patch guidance is available from vikunja security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-33312.

CVE-2026-33312 - remediation guidance & executive summary

Description

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 delete its background image. Version 2.2.0 fixes the issue.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-863 · Incorrect Authorization

Metadata

Primary Vendor: VIKUNJA
Published: 3/20/2026
Last Modified: 3/24/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-33312

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary