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        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-17T12:18:55.463Z",
        "datePublished": "2026-10-17T18:46:33.245Z",
        "dateUpdated": "2026-10-19T16:39:37.953Z"
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            "datePublic": "2026-10-03T00:00:00.000Z",
            "title": "Vikunja 1.0.0-rc0 before 2.7.0 Cross-Tenant Task Position Writes via Saved Filter Creation",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
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                    "descriptions": [
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                            "lang": "en",
                            "description": "Incorrect Authorization",
                            "cweId": "CWE-863",
                            "type": "CWE"
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                    "vendor": "go-vikunja",
                    "product": "vikunja",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:golang/code.vikunja.io/api",
                    "versions": [
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                            "version": "1.0.0-rc0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "2.7.0"
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                {
                    "url": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-fprf-r6rv-xg99",
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                            "content": {
                                "timestamp": "2026-10-19T15:35:34.423236Z",
                                "id": "CVE-2026-111918",
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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