CVE-2026-89322 Vault - Broken Access Control

Vault and Vault Enterprise < 2.1.2, 1.21.12, 1.20.17, 1.19.23 contain a broken access control caused by inconsistent evaluation of ACL policies against canonical resource and policy names, letting authenticated users bypass explicit deny restrictions and escalate privileges, exploit requires delegated permissions.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-178

Vendor fix

Update to Vault Community Edition 2.1.2 or Vault Enterprise 2.1.2, 1.21.12, 1.20.17, 1.19.23 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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