CVE-2026-71959CWE-862broken-access-control

CVE-2026-71959

Medium · published August 10, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
40.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00476 · 40.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-10T18:17Z
References (5)
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]
EPSS history
Timeline
  • 10 AUG 13:56Z
    Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect
    cvelistv5