{"action":"Upgrade code.vikunja.io/api to 2.6.0 or later.","affected":[{"fixed":"2.6.0","introduced":"0"}],"component":"code.vikunja.io/api","cve_ids":["CVE-2026-91972"],"ecosystem":"Go","exploited":false,"fixed_versions":["2.6.0"],"ghsa_id":"GHSA-6rvj-qwjf-3m4q","id":"tcs_01M5JJPPE5P872VHRVBENMY9JW","modified_at":"2026-10-19T21:41:17.124911538Z","published_at":"2026-10-09T20:51:05Z","references":["https://osv.dev/vulnerability/GHSA-6rvj-qwjf-3m4q","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","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":"GHSA-6rvj-qwjf-3m4q","url":"https://osv.dev/vulnerability/GHSA-6rvj-qwjf-3m4q"},{"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"}