# CVE-2026-40264

> Vulnerability · severity: **LOW** (CVSS 2.7).

## Description

OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.

## Key facts

- **CVE ID:** CVE-2026-40264
- **Published:** 2026-04-21
- **CVSS severity:** LOW
- **CVSS base score:** 2.7
- **CWE codes:** CWE-1259

## Affected products

- `openbao:openbao`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40264

## Citation

> AI Analytics. CVE-2026-40264. Retrieved 2026-07-11 from https://api.ai-analytics.org/cve/CVE-2026-40264. Derived from NIST NVD. Licensed CC0.

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