CVE-2026-71959

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.

CVSS v3 5.8 MEDIUM

5.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291
https://github.com/bitwarden/server/pull/7934
https://github.com/bitwarden/server/releases/tag/v2026.7.2
https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery
https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect

Configurations

No configuration.

History

23 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) El servidor de Bitwarden anterior a 2026.7.2 no verifica que el llamante sea miembro de la organización identificada en el cuerpo de una solicitud POST /collect, permitiendo que cualquier usuario autenticado escriba entradas falsificadas y con fecha arbitrariamente anterior en el registro de auditoría de cualquier organización.

Information

Published : 2026-08-10 14:17

Updated : 2026-10-24 15:10

NVD link : CVE-2026-71959

Mitre link : CVE-2026-71959

CVE.ORG link : CVE-2026-71959

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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