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[NEW] [medium] Vaultwarden: Multiple vulnerabilities

medium
An attacker can exploit multiple vulnerabilities in Vaultwarden to bypass security measures, conduct a denial of service attack, and disclose information.

CSIRTS triage

vendor: Vaultwardenproduct: VaultwardenOtherDenial of serviceInformation disclosure
What
Multiple vulnerabilities in Vaultwarden allow attackers to bypass security measures, conduct denial of service attacks, and disclose information.
Who is affected
Deployments of Vaultwarden.
Urgency
Remediation is medium due to the potential for various attacks, though exploitation is not confirmed.
Action
Monitor for updates and apply patches as they become available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-27
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2529

Recent advisories for Vaultwarden

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories