Login Request a demo
Medium severity · published Aug 10, 2026
CVE-2026-71959
Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect
5.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
server · bitwarden
before 2026.7.2 · source: vendor
Affected product
SE
server
bitwarden
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71959
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71959
github.com
https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291
github.com
https://github.com/bitwarden/server/pull/7934
github.com
https://github.com/bitwarden/server/releases/tag/v2026.7.2
sanjokkarki.com.np
https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery
www.vulncheck.com
https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect
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