# CVE-2026-43640

## Summary

- **CVE ID:** CVE-2026-43640
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-303
- **Published:** May 11, 2026
- **Last Modified:** Jul 14, 2026

## Description

Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session.

## Affected Products

- bitwarden — server (0)

## References

- [CNA](https://sanjokkarki.com.np/blog/bitwarden-scim-key-bypass)
- [CNA](https://github.com/bitwarden/server/releases/tag/v2026.4.1)
- [CNA](https://github.com/bitwarden/server/pull/7403)
- [CNA](https://github.com/bitwarden/server/commit/eb251d9bf80724c87b187661783b9354d1784083)
- [CNA](https://www.vulncheck.com/advisories/bitwarden-server-authentication-bypass-via-scim-api-key)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.50%
- **EPSS Percentile:** 41.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._