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Medium 4.3
Bitwarden Server before 2026.10.1 Authorization Bypass via POST /api/ciphers/create
Bitwarden Server before 2026.10.1 on Entity Framework backends contains an authorization bypass vulnerability that allows organization members to add ciphers to collections they cannot edit. Attackers can call POST /api/ciphers/create, where a nulled UserId i…
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Medium 5.8
Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect
Bitwarden Server before 2026.7.2 does not verify that the caller is a member of the organization identified in a POST /collect request body, allowing any authenticated user to write forged, arbitrarily backdated entries into any organization's audit log.
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Medium 4.3
Bitwarden Server < 2026.5.0 Broken Access Control via PreviewInvoiceController
Bitwarden Server before 2026.5.0 contains a broken access control vulnerability that allows any authenticated user to access arbitrary organization billing data by supplying an arbitrary organizationId to the PreviewInvoiceController endpoints without members…
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Medium 5.4
Bitwarden Server < 2026.4.1 Missing Authorization via Organization Cipher Import
Bitwarden Server prior to v2026.4.1 contains a missing authorization vulnerability that allows any authenticated user to write ciphers into an arbitrary organization via `POST /ciphers/import-organization` by submitting an empty `collections` array, which cau…