Vulnerability DatabaseCVE-2026-71959
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CVE-2026-71959
Published:August 10, 2026
Updated:August 31, 2026
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.
Affected Packages
https://github.com/bitwarden/server.git (GITHUB):
Affected version(s) >=v1.0.0 <v2026.7.2
Fix Suggestion:
Update to version v2026.7.2
Related Resources (8)
https://github.com/bitwarden/server/releases/tag/v2026.7.2
https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291
https://nvd.nist.gov/vuln/detail/CVE-2026-71959
https://github.com/bitwarden/server/pull/7934
https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect
https://github.com/bitwarden/server
https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71959.json
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization
CWE-862
EPSS
Base Score:
0.29