What’s Vulnerable › Vulnerabilities
CVE-2026-89322: Vault ACL Policy Evaluation May Allow Bypass of Deny Restrictions
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-07 · updated 2026-10-09
- Weakness: CWE-178
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.
Affected products
- HashiCorp Vault: from 0.0.1 before 2.1.2 — fixed in 2.1.2
How to fix
Upgrade to a fixed version: HashiCorp Vault 2.1.2. Check the vendor advisory for mitigations.
References
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