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CVE-2026-43914

🗓️ 11 May 2026 22:03:58Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 93 Views🌐 WEB

Vaultwarden before version 1.35.4 allows brute-force bypass via the email two-factor login endpoint acting as an oracle.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-43914
11 May 202622:03
–attackerkb
circl
Circl
CVE-2026-43914
25 Aug 202611:00
–circl
cnnvd
CNNVD
Vaultwarden security vulnerabilities
11 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-43914 Vaultwarden: Brute-force protection bypass vulnerability
11 May 202622:03
–cvelist
euvd
EUVD
EUVD-2026-29342
11 May 202622:03
–euvd
githubexploit
GithubExploit
Exploit for Improper Restriction of Excessive Authentication Attempts in Dani-Garcia Vaultwarden
24 Aug 202618:15
–githubexploit
kitploit
Kitploit
CVE-2026-43914-PoC
23 Oct 202621:39
–kitploit
mend
Mend
CVE-2026-43914
11 May 202622:03
–mend
nvd
NVD
CVE-2026-43914
11 May 202623:20
–nvd
osv_cve
osv_cve
CVE-2026-43914 Vaultwarden: Brute-force protection bypass vulnerability
11 May 202622:03
–osv_cve
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "dani-garcia",
    "product": "vaultwarden",
    "versions": [
      {
        "version": "< 1.35.4",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
emailrequest body/api/two-factor/send-email-loginUnauthenticated endpoint that serves as a master-password oracle for Email 2FA, enabling unlimited password brute-force without rate-limiting.CWE-307
passwordrequest body/api/two-factor/send-email-loginUnauthenticated endpoint that serves as a master-password oracle for Email 2FA, enabling unlimited password brute-force without rate-limiting.CWE-307

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17 Jun 2026 10:50Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.3 - 9.8
EPSS0.00492
SSVC
93