{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33676", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-23T16:34:59.930Z", "datePublished": "2026-03-24T15:35:37.991Z", "dateUpdated": "2026-03-24T15:35:37.991Z"}, "containers": {"cna": {"title": "Vikunja has Cross-Project Information Disclosure via Task Relations \u2014 Missing Authorization Check on Related Task Read", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8cmm-j6c4-rr8v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8cmm-j6c4-rr8v"}, {"name": "https://github.com/go-vikunja/vikunja/pull/2449", "tags": ["x_refsource_MISC"], "url": "https://github.com/go-vikunja/vikunja/pull/2449"}, {"name": "https://github.com/go-vikunja/vikunja/commit/833f2aec006ac0f6643c41872e45dd79220b9174", "tags": ["x_refsource_MISC"], "url": "https://github.com/go-vikunja/vikunja/commit/833f2aec006ac0f6643c41872e45dd79220b9174"}, {"name": "https://vikunja.io/changelog/vikunja-v2.2.2-was-released", "tags": ["x_refsource_MISC"], "url": "https://vikunja.io/changelog/vikunja-v2.2.2-was-released"}], "affected": [{"vendor": "go-vikunja", "product": "vikunja", "versions": [{"version": "< 2.2.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-24T15:35:37.991Z"}, "descriptions": [{"lang": "en", "value": "Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the `related_tasks` field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will receive full details (title, description, due dates, priority, percent completion, project ID, etc.) of tasks in projects they have no access to. Version 2.2.1 patches the issue."}], "source": {"advisory": "GHSA-8cmm-j6c4-rr8v", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, when the Vikunja API returns tasks, it populates the `related_tasks` field with full task objects for all related tasks without checking whether the requesting user has read permission on those tasks' projects. An authenticated user who can read a task that has cross-project relations will receive full details (title, description, due dates, priority, percent completion, project ID, etc.) of tasks in projects they have no access to. Version 2.2.1 patches the issue."}], "id": "CVE-2026-33676", "lastModified": "2026-03-24T16:16:34.947", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-24T16:16:34.947", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/go-vikunja/vikunja/commit/833f2aec006ac0f6643c41872e45dd79220b9174"}, {"source": "security-advisories@github.com", "url": "https://github.com/go-vikunja/vikunja/pull/2449"}, {"source": "security-advisories@github.com", "url": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8cmm-j6c4-rr8v"}, {"source": "security-advisories@github.com", "url": "https://vikunja.io/changelog/vikunja-v2.2.2-was-released"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}