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CVE-2026-71959 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291	[email protected]
https://github.com/bitwarden/server/pull/7934	[email protected]
https://github.com/bitwarden/server/releases/tag/v2026.7.2	[email protected]
https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery	[email protected]
https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-862	Missing Authorization	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 17, 2026	CVE Modified	CISA-ADP
Aug 10, 2026	New CVE Received	[email protected]