CVE-2022-40186

Name: CVE-2022-40186
Creator: NVD / NIST
Published: 2022-09-22T01:15:12.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2022-40186 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. An issue was discovered in HashiCorp Vault and Vault Enterprise before 1.11.3. A vulnerability in the Identity Engine was found where, in a deployment where an entity has multiple mount accessors with shared alias names, Vault may overwrite metadata to the wrong alias due to an issue with checking the proper alias assigned to an entity. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

An issue was discovered in HashiCorp Vault and Vault Enterprise before 1.11.3. A vulnerability in the Identity Engine was found where, in a deployment where an entity has multiple mount accessors with shared alias names, Vault may overwrite metadata to the wrong alias due to an issue with checking the proper alias assigned to an entity. This may allow for unintended access to key/value paths using that metadata in Vault.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.76%

50.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Hashicorp	Vault	>= 1.8.0, < 1.9.9
Hashicorp	Vault	>= 1.10.0, < 1.10.6
Hashicorp	Vault	>= 1.11.0, < 1.11.3

References

https://discuss.hashicorp.comVendor Advisory
https://discuss.hashicorp.com/t/hcsec-2022-18-vault-entity-alias-metadata-may-leak-between-aliases-with-the-same-name-assigned-to-the-same-entity/44550Vendor Advisory
https://security.netapp.com/advisory/ntap-20221111-0008/Third Party Advisory
https://discuss.hashicorp.comVendor Advisory
https://discuss.hashicorp.com/t/hcsec-2022-18-vault-entity-alias-metadata-may-leak-between-aliases-with-the-same-name-assigned-to-the-same-entity/44550Vendor Advisory
https://security.netapp.com/advisory/ntap-20221111-0008/Third Party Advisory

Timeline

Published: Sep 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40186?

How severe is CVE-2022-40186?

CVE-2022-40186 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40186?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-40186?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST