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CVE-2026-3605

8.1 · HIGH

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.

Published Apr 17, 2026CWE-288EPSS 0.50%

Overview

CVE-2026-3605 is a high-severity vulnerability. It was published on April 17, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdiscuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342Refaccess.redhat.com/security/cve/CVE-2026-3605Refbugzilla.redhat.com/show_bug.cgi?id=2459105Refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3605.json

How CyberStrike helps

Frequently asked questions

What is CVE-2026-3605?

CVE-2026-3605 is a high-severity vulnerability. It was published on April 17, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-3605?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-3605?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-3605?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-3605 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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