CVE-2026-89322 Vault ACL Policy Evaluation May Allow Bypass of Deny Restrictions
Authenticated users can bypass deny restrictions in Vault ACL policies due to inconsistent name evaluation, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-89322?
CVE-2026-89322 is a high-severity authentication bypass vulnerability in HashiCorp Vault, published on 7 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Vault and Vault Enterprise did not consistently evaluate ACL policies against the canonical form of resource and policy names. This may allow an authenticated user with delegated permissions to bypass an explicit deny restriction and access a protected resource or assign a denied policy, potentially leading to privilege escalation. This vulnerability (CVE-2026-89322) is fixed in Vault Community Edition 2.1.2, and Vault Enterprise 2.1.2, 1.21.12, 1.20.17, and 1.19.23.
Weakness: CWE-178
Which versions are affected by CVE-2026-89322?
1 open source package ship an affected version, including vault.
| Package | Affected | Fixed in |
|---|---|---|
vault Bitnami | From 0.0.1 | 2.1.2 |
How do I fix CVE-2026-89322?
Upgrade vault to 2.1.2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-89322 being exploited?
There is no known exploitation of CVE-2026-89322 in the wild and no public exploit code.
Sources
Also known as BIT-vault-2026-89322, GHSA-j78r-9xrv-vxf6, MINI-4mjc-cpf6-hm48.