{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/71718?format=json","vulnerability_id":"VCID-f8dw-1rh3-37c4","summary":"Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the CalDAV output generator builds iCalendar VTODO entries via raw string concatenation without applying RFC 5545 TEXT value escaping. User-controlled task titles containing CRLF characters break the iCalendar property boundary, allowing injection of arbitrary iCalendar properties such as ATTACH, VALARM, or ORGANIZER. This vulnerability is fixed in 2.3.0.","aliases":[{"alias":"CVE-2026-35601"},{"alias":"GHSA-2g7h-7rqr-9p4r"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/373272?format=json","purl":"pkg:golang/code.vikunja.io/api@2.3.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:golang/code.vikunja.io/api@2.3.0"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-35601","reference_id":"","reference_type":"","scores":[{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.0975","published_at":"2026-06-11T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-35601"},{"reference_url":"https://github.com/go-vikunja/vikunja","reference_id":"","reference_type":"","scores":[{"value":"4.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/go-vikunja/vikunja"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35601","reference_id":"","reference_type":"","scores":[{"value":"4.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35601"},{"reference_url":"https://github.com/go-vikunja/vikunja/pull/2580","reference_id":"2580","reference_type":"","scores":[{"value":"4.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-13T15:28:32Z/"}],"url":"https://github.com/go-vikunja/vikunja/pull/2580"},{"reference_url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-2g7h-7rqr-9p4r","reference_id":"GHSA-2g7h-7rqr-9p4r","reference_type":"","scores":[{"value":"4.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-13T15:28:32Z/"}],"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-2g7h-7rqr-9p4r"},{"reference_url":"https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0","reference_id":"v2.3.0","reference_type":"","scores":[{"value":"4.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-13T15:28:32Z/"}],"url":"https://github.com/go-vikunja/vikunja/releases/tag/v2.3.0"}],"weaknesses":[{"cwe_id":93,"name":"Improper Neutralization of CRLF Sequences ('CRLF Injection')","description":"The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs."}],"exploits":[],"severity_range_score":"4.0 - 6.9","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-f8dw-1rh3-37c4"}