Vulnerability in HashiCorp Vault and Vault Enterprise (“Vault”) such (CVE-2026-5006)
Summary
Vulnerability in HashiCorp Vault and Vault Enterprise (“Vault”) such (CVE-2026-5006). Confidential information can be exposed externally.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-5006 has been found in HashiCorp Vault and Vault Enterprise (“Vault”) such.
Confidential information can be exposed externally. CVSS score: 6.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "HashiCorp Vault and Vault Enterprise (“Vault”) such CVE-2026-5006" on the vendor's site.
CVE-2026-5006 (HashiCorp Vault and Vault Enterprise (“Vault”) such) — CWE-639 / CVSS v3 6.8
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-639) exists in HashiCorp Vault and Vault Enterprise (“Vault”) such.
Check the vendor advisory for the affected versions of HashiCorp Vault and Vault Enterprise (“Vault”) such.
Severity: Medium (CVSS 6.8/10). Confidential information can be exposed externally.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで HashiCorp Vault and Vault Enterprise (“Vault”) such を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- web nvd.nist.gov
- web discuss.hashicorp.com
- web github.com