What is GHSA-mjqg-gwhm-xr66?

GHSA-mjqg-gwhm-xr66 is a security advisory published by GitHub Security Advisories with Medium severity. Vikunja from 1.0.0-rc0 before 2.7.0 contains an improper authorization vulnerability in...

Which CVE IDs does GHSA-mjqg-gwhm-xr66 cover?

GHSA-mjqg-gwhm-xr66 covers the following CVE IDs: CVE-2026-111918. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mjqg-gwhm-xr66?

GHSA-mjqg-gwhm-xr66 has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-mjqg-gwhm-xr66MediumCVSS 5.4

Vikunja from 1.0.0-rc0 before 2.7.0 contains an improper authorization vulnerability in...

Vendor

GitHub Security Advisories

Published

October 17, 2026

Last Modified

October 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-111918 →

📋 Description

Vikunja from 1.0.0-rc0 before 2.7.0 contains an improper authorization vulnerability in RecalculateTaskPositions that allows authenticated users with zero accessible projects to write task_positions rows for all tasks instance-wide. Attackers can delete their Inbox after repointing default_project_id, then create empty-filter saved filters to persist cross-tenant references and amplify writes for denial of service.

🔗 References (4)

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-fprf-r6rv-xg99
https://nvd.nist.gov/vuln/detail/CVE-2026-111918
https://www.vulncheck.com/advisories/vikunja-1.0.0-rc0-before-2.7.0-cross-tenant-task-position-writes-via-saved-filter-creation
https://github.com/advisories/GHSA-mjqg-gwhm-xr66