CVE-2026-3605

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

HIGH
8.1
CVSS Score
Published: April 17, 2026 at 02:44 AM UTC
Updated: July 15, 2026 at 02:21 AM UTC
2 products affected across 2 vendorsVaultOpenShift Data Foundation

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Severity
HIGH8.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.10.0 ≤ v < 1.19.160.10.0 ≤ v < 2.0.01.20.0 ≤ v < 1.20.101.21.0 ≤ v < 1.21.50.10.0
Affected range stops below 1.19.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.20.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.21.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHHashiCorp
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-288CWE-639

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