CVE-2026-71959 PUBLISHED

Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect

Assigner: VulnCheck
Reserved: 08.08.2026 Published: 10.08.2026 Updated: 10.08.2026

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.

CVSS 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
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS Score: 5.8

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	bitwarden
Product	server
Versions	Default: affected affected from 0 to 2026.7.2 (excl.)

CVE-2026-71959 PUBLISHED

Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect

Metrics

Product Status

Credits

References

Problem Types