CVE-2026-5006

Vault Vulnerable to Privilege Escalation via Slash Injection in Templated Policy Paths

Published: Aug 24, 2026Updated: Aug 28, 2026 Sources: CVE List NVDCWE-639

6.8MEDIUM

Description

A vulnerability was identified in HashiCorp Vault and Vault Enterprise (“Vault”) such that an authenticated attacker may manipulate an identity value referenced by a templated policy path to gain unintended access to Vault paths. An attacker who can control the referenced identity value may include slash ({{/}}) characters that Vault interprets as additional path segments when rendering the policy. This vulnerability, CVE-2026-5006, was fixed in Vault Community Edition 2.0.4 and Vault Enterprise 2.0.4, 1.21.9, 1.20.14, and 1.19.20.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-639

Affected Products

HashiCorp

commercial·USaka hashicorp inc.

VaultSaaSSaaS Service

Cloud & SaaS

Vault EnterpriseSaaSSaaS Service

Cloud & SaaS

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://discuss.hashicorp.com/t/hcsec-2026-32-vault-vulnerable-to-privilege-escalation-via-slash-injection-in-templated-policy-paths

discuss.hashicorp.com

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