{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-33680",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-03-23T16:34:59.931Z",
        "datePublished": "2026-03-24T15:47:47.529Z",
        "dateUpdated": "2026-03-26T19:52:13.837Z"
    },
    "containers": {
        "cna": {
            "title": "Vikunja Vulnerable to Link Share Hash Disclosure via ReadAll Endpoint Enables Permission Escalation",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-285",
                            "lang": "en",
                            "description": "CWE-285: Improper Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9"
                },
                {
                    "name": "https://github.com/go-vikunja/vikunja/commit/9efe1fadba817923c7c7f5953c3e9e9c5683bbf3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/go-vikunja/vikunja/commit/9efe1fadba817923c7c7f5953c3e9e9c5683bbf3"
                },
                {
                    "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": "< 2.2.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-03-24T15:47:47.529Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.2, the `LinkSharing.ReadAll()` method allows link share authenticated users to list all link shares for a project, including their secret hashes. While `LinkSharing.CanRead()` correctly blocks link share users from reading individual shares via `ReadOne`, the `ReadAllWeb` handler bypasses this check by never calling `CanRead()`. An attacker with a read-only link share can retrieve hashes for write or admin link shares on the same project and authenticate with them, escalating to full admin access. Version 2.2.2 patches the issue."
                }
            ],
            "source": {
                "advisory": "GHSA-8hp8-9fhr-pfm9",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-33680",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-03-26T19:31:22.530015Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-03-26T19:52:13.837Z"
                }
            }
        ]
    }
}