CVE-2026-60104 Bitwarden Server < 2026.6.0 Authorization Bypass via Admin Auth Request

What is CVE-2026-60104?

CVE-2026-60104 is a critical authentication bypass vulnerability in bitwarden server, published on 8 Jul 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Bitwarden Server before 2026.6.0 does not verify that the email in a POST /auth-requests/admin-request body belongs to the authenticated caller, allowing a low-privileged organization member to obtain another user's vault key and a victim-scoped access token by creating a Trusted Device Encryption authentication request, bound to an attacker-controlled public key, that is readable from an unauthenticated endpoint once approved resulting in disclosure of the victim's vault key and account takeover.

Weakness: CWE-639

Which versions are affected by CVE-2026-60104?

It affects 1 product.

Products include Bitwarden Server.

How do I fix CVE-2026-60104?

No fix has been published for CVE-2026-60104 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-60104 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-60104 exists.

Other vulnerabilities in bitwarden server

• CVE-2026-43639 Bitwarden Server < 2026.4.0 Missing Authorization via Provider Clients High 8.9
• CVE-2026-43640 Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key High 8.6
• CVE-2020-15879 Server-side request forgery in n/a High 7.5
• CVE-2019-19766 Weak cryptography in n/a High 7.5
• CVE-2026-57520 Bitwarden Server < 2026.5.0 Privilege Escalation via Bulk User Remove Endpoint High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5g65-rmxf-rgj6.