{"id":"EUVD-2026-78648","revision":"8a0030f87fe54bd48b1c77be97d729ce","records":[{"revision":"8a0030f87fe54bd48b1c77be97d729ce","observedAt":"2026-11-03T14:03:17.418+00:00","statement":{"source":"euvd","id":"EUVD-2026-78648","aliases":["CVE-2026-91972","GHSA-m4vj-wr5q-cmvr","GHSA-6rvj-qwjf-3m4q"],"title":"Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessi…","description":"Vikunja versions before 2.6.0 fail to apply rate limiting to /api/v2 public authentication endpoints including login, register, password-reset, and OAuth token routes. Remote unauthenticated attackers can perform unbounded credential guessing, account enumeration, and password-reset flooding attacks without throttling restrictions.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7,"severity":null}],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-6rvj-qwjf-3m4q","https://www.vulncheck.com/advisories/vikunja-before-2.6.0-authentication-bypass-via-unthrottled-api"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-78648","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 15, 2026, 3:18:22 PM","dateUpdated":"Sep 17, 2026, 3:12:40 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-78648","identifiers":["EUVD-2026-78648","CVE-2026-91972","GHSA-m4vj-wr5q-cmvr","GHSA-6rvj-qwjf-3m4q"]},"retained":false,"historicalAffected":[]}],"coverage":[]}