CVE-2026-14886 Vault Enterprise vulnerable to cross-namespace entity deletion
Authenticated users can bypass namespace restrictions to permanently delete entity storage in other namespaces.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-14886?
CVE-2026-14886 is a high-severity missing authorization vulnerability in HashiCorp Vault Enterprise, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vault Enterprise's identity entity batch-delete endpoint is vulnerable to a cross-namespace authorization bypass that may allow an authenticated caller in one namespace to permanently delete the storage backing of entities belonging to another namespace. This vulnerability (CVE-2026-14886) is fixed in Vault Enterprise 2.0.4, 1.21.9, 1.20.14 and 1.19.20.
Weakness: CWE-862
Which versions are affected by CVE-2026-14886?
1 open source package ship an affected version, including vault.
| Package | Affected | Fixed in |
|---|---|---|
vault Bitnami | From 2.0.0 | 2.0.4 |
How do I fix CVE-2026-14886?
Upgrade vault to 2.0.4 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-14886 being exploited?
There is no known exploitation of CVE-2026-14886 in the wild and no public exploit code.
Sources
Also known as BIT-vault-2026-14886, GHSA-rmq8-5gxg-mjqx, MINI-c3g5-fc3r-cgc9.