High severity · published Apr 17, 2026
CVE-2026-3605
Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service
8.1
CVSS
0.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VA
Vault · HashiCorp
0.10.0 before 2.0.0 · source: vendor, NVD
VE
Vault Enterprise · HashiCorp
0.10.0 before 2.0.0 · source: vendor
RH
Red Hat Openshift Data Foundation 4 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3605
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3605
Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-3605
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2459105
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3605.json
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