CVE-2026-71959

Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect

Published Aug 10, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:bitwarden:server:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Bitwarden
Bitwarden server
Vendors & Products Bitwarden
Bitwarden server
Type Values Removed Values Added
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.
Title Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 5.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 8, 2026, 2:08 PM
Reserved
Aug 8, 2026, 4:43 PM
Status
Awaiting Analysis
Published
Aug 10, 2026, 2:17 PM
Modified
Oct 24, 2026, 3:10 PM