{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-91972"],"ecosystem":"Go","exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-6rvj-qwjf-3m4q","id":"tcs_01M5JJ4K5HMA56SK3N92Z7Y5ZB","modified_at":"2026-10-19T21:31:52.274584795Z","published_at":"2026-10-19T21:08:26Z","references":["https://osv.dev/vulnerability/GO-2026-6721","https://github.com/go-vikunja/vikunja/security/advisories/GHSA-6rvj-qwjf-3m4q","https://nvd.nist.gov/vuln/detail/CVE-2026-91972","https://github.com/go-vikunja/vikunja/releases/tag/v2.6.0","https://www.vulncheck.com/advisories/vikunja-before-2.6.0-authentication-bypass-via-unthrottled-api"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-6721","url":"https://osv.dev/vulnerability/GO-2026-6721"},{"source":"nvd","source_id":"CVE-2026-91972","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91972"}],"summary":"Vikunja: Every /api/v2 pre-auth endpoint is unthrottled on a stock install while its /api/v1 twin is rate limited in code.vikunja.io/api"}