CVE-2026-105816 | BDVDB-2026-384283 Detail

HashiCorpVault

Description#

Vault and Vault Enterprise did not consistently verify that stored plugin catalog entries reference binaries within the configured plugin directory. When Vault uses Shamir seals and has an external plugin directory configured, a privileged operator able to restore an Integrated Storage (Raft) snapshot may be able to execute arbitrary code on the Vault host. This vulnerability (CVE-2026-105816) 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.

Impact#

CAPEC-126: Path Traversal

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

https://discuss.hashicorp.com/t/hcsec-2026-41-vault-vulnerable-to-arbitrary-code-execution-via-plugin-catalog-entries-restored-from-raft-snapshots/77813

Exploit#

No public exploit known

History#

Version 12026-10-07Record published in the CVE List.
Version 22026-10-09Most recent update recorded in the CVE List.

Published

Published: 2026-10-07
Last modified: 2026-10-09

Vendor information

Vendor: HashiCorp
Product: Vault

All HashiCorp vulnerabilities

Score

8.0 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 27.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 0.0.1 and < 2.1.2
Fixed
2.1.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.0 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	High
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).