CVE-2026-3605: Hashicorp Vault

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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 products

• Hashicorp Vault: from 0.10.0, before 1.19.16 (fixed in 1.19.16); from 0.10.0, before 2.0.0 (fixed in 2.0.0); from 1.20.0, before 1.20.10 (fixed in 1.20.10); from 1.21.0, before 1.21.5 (fixed in 1.21.5)

Published 2026-04-17. Last modified 2026-07-15.