Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service

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Summary

CVECVE-2026-3605
StatePUBLISHED
AssignerHashiCorp
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-17 04:16:03 UTC
Updated2026-04-17 15:08:25 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

EPSS: 0.000120000 probability, percentile 0.016860000 (date 2026-04-18)

Problem Types: CWE-288 | CWE-288 CWE-288: Authentication Bypass Using an Alternate Path or Channel

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA HashiCorp Vault affected 0.10.0 2.0.0 semver 64 bit, 32 bit, x86, ARM, MacOS, Windows, Linux
CNA HashiCorp Vault Enterprise affected 0.10.0 2.0.0 semver 64 bit, 32 bit, x86, ARM, MacOS, Windows, Linux

References

ReferenceSourceLinkTags
discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-polic... [email protected] discuss.hashicorp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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