{"id":"CVE-2026-27801","aliases":["GHSA-v6pg-v89r-w8wr"],"url":"https://o3.security/vulnerability/CVE-2026-27801","summary":"Vaultwarden: 2FA Bypass on Protected Actions due to Faulty Rate Limit Enforcement","details":"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.","published":"2026-03-04T21:32:14.614Z","modified":"2026-08-12T03:51:41.325909654Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"vaultwarden","fixedVersion":"1.35.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27801.json"},{"type":"ADVISORY","url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-v6pg-v89r-w8wr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27801"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:41.325909654Z"}}