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Review reviewHigh

CVE-2026-3605

HashiCorp Vault, Vault Enterprise, Red Hat OpenShift Container Platform 4

An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.

CVSS
8.1
EPSS
0.38%
30.4% percentile
CISA KEV
Not listed
Published
2026.04.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.38%
Technical severityCVSS 8.1

Vulnerability overview

An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.

Affected product and versions

Product
HashiCorp Vault, Vault Enterprise, Red Hat OpenShift Container Platform 4
Affected versions
>= 0.10.0 < 2.0.0, >= 0.10.0 < 1.19.16, >= 1.20.0 < 1.20.10, >= 1.21.0 < 1.21.5
Fixed versions
1.19.16, 2.0.0, 1.20.10, 1.21.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that HashiCorp Vault, Vault Enterprise, Red Hat OpenShift Container Platform 4 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE
CWE-288, CWE-639