Vulnerability-Lookup

GHSA-5H48-5RRM-M3C8

Vulnerability from github – Published: 2026-08-24 21:33 – Updated: 2026-08-24 21:33

Details

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.

Severity

6.8 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-5006"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-24T21:17:46Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was identified in HashiCorp Vault and Vault Enterprise (\u201cVault\u201d) such that an authenticated attacker may manipulate an identity value referenced by a templated policy path to gain unintended access to Vault paths.\n\nAn attacker who can control the referenced identity value may include slash ({{/}}) characters that Vault interprets as additional path segments when rendering the policy.\n\nThis 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.",
  "id": "GHSA-5h48-5rrm-m3c8",
  "modified": "2026-08-24T21:33:46Z",
  "published": "2026-08-24T21:33:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5006"
    },
    {
      "type": "WEB",
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-32-vault-vulnerable-to-privilege-escalation-via-slash-injection-in-templated-policy-paths"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-5006 (GCVE-0-2026-5006)

Vulnerability from cvelistv5 – Published: 2026-08-24 20:32 – Updated: 2026-08-26 03:56

Title

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

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.

Severity

6.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-25 00:00 UTC

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

HashiCorp mitre root

References

1 reference

URL	Tags
https://discuss.hashicorp.com/t/hcsec-2026-32-vau…

Impacted products

2 products

Vendor	Product	Version
HashiCorp	Vault	Affected: 0.11.0 , < 2.0.4 (semver)
HashiCorp	Vault Enterprise	Affected: 0.11.0 , < 2.0.4 (semver)

Credits

This issue was reported to HashiCorp by Lior Moshe, Uri Rolls, and Daniel Peters, Operating Intelligence ([opint.ai|http://opint.ai/])

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JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.