🛡️ CVE-2026-71959

🟡 CVSS 5.8 — Medium ✅ No Known Exploit CWE-862 NVD
5.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2026-71959 is classified as CWE-862: Missing Authorization. No authorisation check is performed before carrying out a restricted action.

Affected software

CVE-2026-71959 is recorded against 1 package.

  • unknown

Timeline and source

Published on 10 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
github.com
github.com
sanjokkarki.com.np
www.vulncheck.com

Details

Severity MEDIUM
CVSS Score 5.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE CWE-862
Public Exploit ✅ No
Source NVD
Published 2026-08-10
Updated 2026-08-11
Modified 2026-08-10
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

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