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Vulnerability record · CVE-2026-3605 · published 17 April 2026

CVE-2026-3605: Hashicorp vault authentication bypass via alternate path vulnerability

Hashicorp · Vault

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.

8.1 CVSS 3.1 High EPSS 0.50% · top 59.3% CWE-288 · Authentication bypass via alternate pathCWE-639 · Insecure direct object reference
8.1CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
15 Jul 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-3605
https://bugzilla.redhat.com/show_bug.cgi?id=2459105
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3605.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-3605), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.