CVE Explorer
CVE-2026-43914
Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.35.4, there is a security vulnerability in Vaultwarden that allows bypassing the login brute-force protection if email 2fa is enabled. If email 2fa is enabled, the unprotected 2fa-function send_email_login (email.rs, api endpoint /api/two-factor/send-email-login) also acts as an oracle determining whether a username-password combination is correct. An attacker can abuse that endpoint to brute-force passwords without rate-li
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"vaultwarden","vendor":"dani-garcia","versions":[{"status":"affected","version":"< 1.35.4"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-307","description":"CWE-307: Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/dani-garcia/vaultwarden/pull/6867","tags":["x_refsource_MISC"],"url":"https://github.com/dani-garcia/vaultwarden/pull/6867"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/cna/references/1
{"name":"https://github.com/dani-garcia/vaultwarden/releases/tag/1.35.4","tags":["x_refsource_MISC"],"url":"https://github.com/dani-garcia/vaultwarden/releases/tag/1.35.4"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/cna/references/2
{"name":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-c5rv-q295-7w4g","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-c5rv-q295-7w4g"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-c5rv-q295-7w4g"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8edc7b8bf1e6dd5293a78cdfc6294c7e7d5794600f21f7204bd9f75f68bc7b50 · sha256:3df92b7b94601cc4… · /containers/adp/0/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.