CVE-2026-57520

Bitwarden Server before 2026.5.0 contains a privilege escalation vulnerability that allows authenticated Custom users with ManageUsers permission to remove Admin accounts from an organization by exploiting a missing role hierarchy check in the bulk user-remove endpoint. Attackers can supply Admin...

CVE-2026-57520

Bitwarden Server prior to 2026.5.0 is affected by a privilege-escalation vulnerability in the bulk user-remove endpoint. The issue arises from a missing role hierarchy check, allowing authenticated Custom users with ManageUsers permission to remove Admin accounts from an organization by supplying...

PT-2026-52574

Name of the Vulnerable Software and Affected Versions Bitwarden Server versions prior to 2026.5.0 Description An issue exists where authenticated Custom users with the ManageUsers permission can escalate privileges to remove Admin accounts from an organization. This occurs due to a missing role...

PT-2026-52576

Name of the Vulnerable Software and Affected Versions Bitwarden Server versions prior to 2026.5.0 Description An issue exists in the IntegrationTemplateProcessor.ReplaceTokens function where user-controlled values are substituted into event-integration templates without proper JSON encoding. An...

EUVD-2026-29171

Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session...

EUVD-2026-29130

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 causes the server-side permission check to be...

EUVD-2026-29170

Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via POST /providers/providerId/clients/existing, resulting in takeover of the target organization; self-hosted installations ar...

CVE-2026-43638

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 causes the server-side permission check to be...

CVE-2026-43640 Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key

Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session...

CVE-2026-43640

Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session...

CVE-2026-43640

Bitwarden Server (affected: v2026.4.1 and earlier) contains an authentication bypass for SCIM API key retrieval/rotation. A logged-in user with SCIM management privileges can obtain the organization's SCIM API key without re-authenticating the master password, exposing sensitive credentials. Root...

CVE-2026-43640 Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key

Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session...

CVE-2026-43640 Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key

Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session...

CVE-2026-43639 Bitwarden Server < 2026.4.0 Missing Authorization via Provider Clients

Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via POST /providers/providerId/clients/existing, resulting in takeover of the target organization; self-hosted installations ar...

CVE-2026-43639 Bitwarden Server < 2026.4.0 Missing Authorization via Provider Clients

Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via POST /providers/providerId/clients/existing, resulting in takeover of the target organization; self-hosted installations ar...

CVE-2026-43639 Bitwarden Server < 2026.4.0 Missing Authorization via Provider Clients

Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via POST /providers/providerId/clients/existing, resulting in takeover of the target organization; self-hosted installations ar...

CVE-2026-43638 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 causes the server-side permission check to be...

CVE-2026-43638

Bitwarden Server before 2026.4.1 contains a missing authorization vulnerability that lets any authenticated user write ciphers into an arbitrary organization via POST /ciphers/import-organization by submitting an empty collections array, bypassing the server-side permission check. Affected produc...

CVE-2026-43638 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 causes the server-side permission check to be...

CVE-2026-43638

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 causes the server-side permission check to be...