{"cve":"CVE-2026-27801","nvd":{"published":"2026-03-04T22:16:17.897","modified":"2026-06-17T10:27:42.427","status":"Analyzed","description":"Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Vaultwarden versions 1.34.3 and prior are susceptible to a 2FA bypass when performing protected actions. An attacker who gains authenticated access to a user’s account can exploit this bypass to perform protected actions such as accessing the user’s API key or deleting the user’s vault and organisations the user is an admin/owner of . This issue has been patched in version 1.35.0.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","score":6.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N","score":5.9},"cwes":["CWE-307"],"references":["https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-v6pg-v89r-w8wr","https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-v6pg-v89r-w8wr"],"products":["dani-garcia:vaultwarden"],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2026-27801","score":0.00289,"percentile":0.21551,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v6pg-v89r-w8wr","url":"https://osv.dev/vulnerability/GHSA-v6pg-v89r-w8wr","summary":"Vaultwarden has 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement","modified":"2026-03-05T15:41:42.685424Z","packages":[{"ecosystem":"crates.io","name":"vaultwarden","purl":"pkg:cargo/vaultwarden","ranges":["<1.35.0"],"fixed":["1.35.0"]}]}],"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."]}