{"cve":"CVE-2026-33473","nvd":{"published":"2026-03-24T16:16:33.710","modified":"2026-06-17T10:37:33.483","status":"Analyzed","description":"Vikunja is an open-source self-hosted task management platform. Starting in version 0.13 and prior to version 2.2.1, any user that has enabled 2FA can have their TOTP reused during the standard 30 second validity window. Version 2.2.1 patches the issue.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","score":5.7},"cwes":["CWE-287"],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-p747-qc5p-773r","https://vikunja.io/changelog/vikunja-v2.2.0-was-released","https://vikunja.io/changelog/vikunja-v2.2.2-was-released"],"products":["vikunja:vikunja"],"source":"nvd","synced_at":"2026-10-19T22:26:19.218427112+00:00"},"epss":{"cve":"CVE-2026-33473","score":0.00325,"percentile":0.25586,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-p747-qc5p-773r","url":"https://osv.dev/vulnerability/GHSA-p747-qc5p-773r","summary":"Vikunja has TOTP Reuse During Validity Window","modified":"2026-09-10T03:50:40.065480051Z","packages":[{"ecosystem":"Go","name":"code.vikunja.io/api","purl":"pkg:golang/code.vikunja.io/api","ranges":[">=0.13"],"fixed":[]}]},{"id":"GO-2026-4805","url":"https://osv.dev/vulnerability/GO-2026-4805","summary":"Vikunja has TOTP Reuse During Validity Window in code.vikunja.io/api","modified":"2026-03-23T18:45:23.542558Z","packages":[{"ecosystem":"Go","name":"code.vikunja.io/api","purl":"pkg:golang/code.vikunja.io/api","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}