CVE-2026-3605Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service
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It affects HashiCorp Vault and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Weakness (CWE)
- CWE-288, CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- HashiCorp
- NVD analysis
- Modified
- Record last updated
- Jul 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
HashiCorp Vault hashicorp:vault (from the name) | from 0.10.0 before 2.0.0 | CNA record |
HashiCorp Vault Enterprise hashicorp:vault_enterprise (from the name) | from 0.10.0 before 2.0.0; fixed at 1.19.16, fixed at 1.20.10, fixed at 1.21.5 | CNA record |
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift | 4 | CISA ADP |
Red Hat Red Hat Openshift Data Foundation 4 redhat:openshift_data_foundation | 4 | CISA ADP |
hashicorp vault hashicorp:vault | from 0.10.0 before 1.19.16; from 0.10.0 before 2.0.0; from 1.20.0 before 1.20.10; from 1.21.0 before 1.21.5 | NVD |
References
- https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342vendor-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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.