Vulnerability-Lookup

GHSA-RMQ8-5GXG-MJQX

Vulnerability from github – Published: 2026-08-10 21:32 – Updated: 2026-08-10 21:32

Details

Vault Enterprise's identity entity batch-delete endpoint is vulnerable to a cross-namespace authorization bypass that may allow an authenticated caller in one namespace to permanently delete the storage backing of entities belonging to another namespace. This vulnerability (CVE-2026-14886) is fixed in Vault Enterprise 2.0.4, 1.21.9, 1.20.14 and 1.19.20.

Severity

8.2 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-14886"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-10T20:17:26Z",
    "severity": "HIGH"
  },
  "details": "Vault Enterprise\u0027s identity entity batch-delete endpoint is vulnerable to a cross-namespace authorization bypass that may allow an authenticated caller in one namespace to permanently delete the storage backing of entities belonging to another namespace. This vulnerability (CVE-2026-14886) is fixed in Vault Enterprise 2.0.4, 1.21.9, 1.20.14 and 1.19.20.",
  "id": "GHSA-rmq8-5gxg-mjqx",
  "modified": "2026-08-10T21:32:04Z",
  "published": "2026-08-10T21:32:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14886"
    },
    {
      "type": "WEB",
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-27-vault-enterprise-vulnerable-to-cross-namespace-entity-deletion/77634"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-14886 (GCVE-0-2026-14886)

Vulnerability from cvelistv5 – Published: 2026-08-10 18:57 – Updated: 2026-08-12 18:04

Title

Vault Enterprise vulnerable to cross-namespace entity deletion

Summary

Severity

8.2 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-12 18:04 UTC

CWE

CWE-862 - Missing Authorization

Assigner

HashiCorp

References

1 reference

URL	Tags
https://discuss.hashicorp.com/t/hcsec-2026-27-vau…

Impacted products

1 product

Vendor	Product	Version
HashiCorp	Vault Enterprise	Affected: 2.0.0 , < 2.0.4 (semver)

Credits

This issue was reported to HashiCorp by Harish Kolla.

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JSON

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  "containers": {
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        "metrics": [
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                "id": "CVE-2026-14886",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-12T18:04:13.413254Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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          "dateUpdated": "2026-08-12T18:04:39.454Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          ],
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          "vendor": "HashiCorp",
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                {
                  "at": "1.19.20",
                  "status": "unaffected"
                }
              ],
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        }
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        }
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        }
      ],
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    "dateReserved": "2026-07-06T17:09:55.102Z",
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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.

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GHSA-RMQ8-5GXG-MJQX

CVE-2026-14886 (GCVE-0-2026-14886)

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Sightings

Nomenclature