TI-2026-04366 Aliases CVE-2026-5006 GHSA-5h48-5rrm-m3c8

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

LOW 32CWE-639Published 2026-08-24 · Updated 2026-08-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · None
Fix status: Partial Red Hat: 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00279 20th percentileScored 2026-11-07

Fix Partial Vault (HashiCorp): 2.0.4Vault Enterprise (HashiCorp): 2.0.4Red Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
HashiCorp	Vault	0.11.0 to before 2.0.4	2.0.4	Patch available	CNA
HashiCorp	Vault Enterprise	0.11.0 to before 2.0.4	2.0.4	Patch available	CNA

Vault VendorHashiCorp Affected 0.11.0 to before 2.0.4 Fixed in 2.0.4 Patch available CNA
Vault Enterprise VendorHashiCorp Affected 0.11.0 to before 2.0.4 Fixed in 2.0.4 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:hashicorp:vault::::::::	—	—	HashiCorp

cpe:2.3:a:hashicorp:vault:*:*:*:*:*:*:*:* Versions — — ·HashiCorp

Remediation

Fix · CNA Vault (HashiCorp) Fixed in 2.0.4
Fix · CNA Vault Enterprise (HashiCorp) Fixed in 2.0.4

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Openshift Data Foundation 4	Affected	No fix yet

Timeline

2026-10-02 Threatist record created from CVE-2026-5006
2026-10-03 Alias added: GHSA-5h48-5rrm-m3c8

References

Other 1

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

TI-2024-01904 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVSS 3.1CRITICAL 9.8
TI-2021-18437 HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4… CVSS 3.1HIGH 8.8
TI-2026-06570 Nomad vulnerable to path traversal in dynamic host volume which may lead to code execution CVSS 3.1HIGH 8.8
TI-2020-17753 The official Consul Docker images 0.7.1 through 1.4.2 contain a blank password for a root… CVSS 3.1CRITICAL 9.8
TI-2026-13641 consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode CVSS 3.1CRITICAL 10.0
TI-2026-13778 terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode CVSS 3.1CRITICAL 10.0

See all 246 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences