HashiCorp Vault/Vault Enterprise up to 1.21.0 Policy authentication bypass

Summaryinfo

A vulnerability labeled as critical has been found in HashiCorp Vault and Vault Enterprise. The affected element is an unknown function of the component Policy Handler. The manipulation results in authentication bypass. This vulnerability is known as CVE-2026-3605. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in HashiCorp Vault and Vault Enterprise. It has been classified as critical. Affected is an unknown part of the component Policy Handler. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at discuss.hashicorp.com. This vulnerability is traded as CVE-2026-3605 since 03/05/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 2.0.0 eliminates this vulnerability.

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Productinfo

Vendor

• HashiCorp

Name

• Vault
• Vault Enterprise

Version

• 1.2.5
• 1.3.4
• 1.3.6
• 1.3.7
• 1.3.8
• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.5.0
• 1.5.1
• 1.5.6
• 1.5.7
• 1.5.8
• 1.5.9
• 1.6.0
• 1.6.1
• 1.6.2
• 1.6.3
• 1.6.4
• 1.6.5
• 1.6.6
• 1.7.0
• 1.7.1
• 1.7.2
• 1.7.3
• 1.7.4
• 1.7.5
• 1.7.6
• 1.7.7
• 1.8.0
• 1.8.3
• 1.8.4
• 1.8.5
• 1.8.6
• 1.9.0
• 1.9.1
• 1.9.10
• 1.10.0
• 1.10.1
• 1.10.2
• 1.10.3
• 1.10.6
• 1.10.7
• 1.10.11
• 1.11.3
• 1.11.4
• 1.11.7
• 1.11.8
• 1.11.9
• 1.12.0
• 1.12.3
• 1.12.4
• 1.12.5
• 1.12.11
• 1.13.0
• 1.13.1
• 1.13.5
• 1.13.7
• 1.13.8
• 1.13.9
• 1.13.10
• 1.14.0
• 1.14.1
• 1.14.3
• 1.14.4
• 1.14.5
• 1.14.6
• 1.14.10
• 1.15
• 1.15.0
• 1.15.1
• 1.15.2
• 1.15.4
• 1.15.15
• 1.16.0
• 1.16.9
• 1.16.10
• 1.17.5
• 1.17.6
• 1.18.0
• 1.18.1
• 1.20.0
• 1.20.1
• 1.20.2
• 1.21.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

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