{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/78042?format=json","vulnerability_id":"VCID-p2dt-ubvn-ekdk","summary":"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.","aliases":[{"alias":"CVE-2026-33680"},{"alias":"GHSA-8hp8-9fhr-pfm9"}],"fixed_packages":[],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33680","reference_id":"","reference_type":"","scores":[{"value":"0.00016","scoring_system":"epss","scoring_elements":"0.03651","published_at":"2026-06-13T12:55:00Z"},{"value":"0.00016","scoring_system":"epss","scoring_elements":"0.03665","published_at":"2026-06-14T12:55:00Z"},{"value":"0.00016","scoring_system":"epss","scoring_elements":"0.03642","published_at":"2026-06-11T12:55:00Z"},{"value":"0.00016","scoring_system":"epss","scoring_elements":"0.03658","published_at":"2026-06-12T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33680"},{"reference_url":"https://github.com/go-vikunja/vikunja","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/go-vikunja/vikunja"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33680","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33680"},{"reference_url":"https://pkg.go.dev/vuln/GO-2026-4848","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://pkg.go.dev/vuln/GO-2026-4848"},{"reference_url":"https://github.com/go-vikunja/vikunja/commit/9efe1fadba817923c7c7f5953c3e9e9c5683bbf3","reference_id":"9efe1fadba817923c7c7f5953c3e9e9c5683bbf3","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-26T19:31:22Z/"}],"url":"https://github.com/go-vikunja/vikunja/commit/9efe1fadba817923c7c7f5953c3e9e9c5683bbf3"},{"reference_url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9","reference_id":"GHSA-8hp8-9fhr-pfm9","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-26T19:31:22Z/"}],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8hp8-9fhr-pfm9"},{"reference_url":"https://vikunja.io/changelog/vikunja-v2.2.2-was-released","reference_id":"vikunja-v2.2.2-was-released","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-26T19:31:22Z/"}],"url":"https://vikunja.io/changelog/vikunja-v2.2.2-was-released"}],"weaknesses":[{"cwe_id":285,"name":"Improper Authorization","description":"The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action."}],"exploits":[],"severity_range_score":"7.0 - 8.9","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-p2dt-ubvn-ekdk"}