CVE-2026-3605 (GCVE-0-2026-3605)

Vulnerability from cvelistv5 – Published: 2026-04-17 02:44 – Updated: 2026-06-30 12:09
VLAI
Title
Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service
Summary
An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
Impacted products
Credits
This issue was independently identified and reported by chungkn from OneMount Group, as well as Andy RUSSON et Gabriel DEPARTOUT from almond.eu , sponsored the ANSSI (French Cybersecurity Agency) open-source security audit program.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3605",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-17T13:20:23.015074Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-17T13:20:28.557Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:/a:redhat:openshift_data_foundation:4"
            ],
            "defaultStatus": "affected",
            "product": "Red Hat Openshift Data Foundation 4",
            "vendor": "Red Hat"
          },
          {
            "cpes": [
              "cpe:/a:redhat:openshift:4"
            ],
            "defaultStatus": "unaffected",
            "product": "Red Hat OpenShift Container Platform 4",
            "vendor": "Red Hat"
          }
        ],
        "datePublic": "2026-04-17T02:44:42.032Z",
        "descriptions": [
          {
            "lang": "en",
            "value": "A flaw was found in Vault. An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write. This vulnerability can lead to a denial-of-service by allowing the deletion of critical data. It does not permit a malicious user to delete secrets across namespaces or read any secret data."
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "namespace": "https://access.redhat.com/security/updates/classification/",
                "value": "Important"
              },
              "type": "Red Hat severity rating"
            }
          },
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.1,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
              "version": "3.1"
            },
            "format": "CVSS"
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-639",
                "description": "Authorization Bypass Through User-Controlled Key",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-30T12:09:24.426Z",
          "orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
          "shortName": "redhat-SADP"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "x_refsource_REDHAT"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2026-3605"
          },
          {
            "name": "RHBZ#2459105",
            "tags": [
              "issue-tracking",
              "x_refsource_REDHAT"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459105"
          },
          {
            "tags": [
              "x_sadp-csaf-vex"
            ],
            "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3605.json"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-04-17T04:01:18.559Z",
            "value": "Reported to Red Hat."
          },
          {
            "lang": "en",
            "time": "2026-04-17T02:44:42.032Z",
            "value": "Made public."
          }
        ],
        "title": "Vault: Vault: Denial of Service due to unauthorized secret deletion via policy bypass",
        "workarounds": [
          {
            "lang": "en",
            "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."
          }
        ],
        "x_adpType": "supplier",
        "x_generator": {
          "engine": "sadp-cli 1.0.0"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Vault",
          "repo": "https://github.com/hashicorp/vault",
          "vendor": "HashiCorp",
          "versions": [
            {
              "lessThan": "2.0.0",
              "status": "affected",
              "version": "0.10.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Vault Enterprise",
          "repo": "https://github.com/hashicorp/vault",
          "vendor": "HashiCorp",
          "versions": [
            {
              "changes": [
                {
                  "at": "1.19.16",
                  "status": "unaffected"
                },
                {
                  "at": "1.20.10",
                  "status": "unaffected"
                },
                {
                  "at": "1.21.5",
                  "status": "unaffected"
                }
              ],
              "lessThan": "2.0.0",
              "status": "affected",
              "version": "0.10.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was independently identified and reported by chungkn from OneMount Group, as well as Andy RUSSON et Gabriel DEPARTOUT from almond.eu , sponsored the ANSSI (French Cybersecurity Agency) open-source security audit program."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eAn authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.\u003c/p\u003e\u003cbr/\u003e"
            }
          ],
          "value": "An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-126",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-126: Path Traversal"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-17T17:57:55.431Z",
        "orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
        "shortName": "HashiCorp"
      },
      "references": [
        {
          "url": "https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342"
        }
      ],
      "source": {
        "advisory": "HCSEC-2026-05",
        "discovery": "EXTERNAL"
      },
      "title": "Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
    "assignerShortName": "HashiCorp",
    "cveId": "CVE-2026-3605",
    "datePublished": "2026-04-17T02:44:42.032Z",
    "dateReserved": "2026-03-05T16:37:23.520Z",
    "dateUpdated": "2026-06-30T12:09:24.426Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-3605",
      "date": "2026-07-08",
      "epss": "0.00376",
      "percentile": "0.29663"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-3605\",\"sourceIdentifier\":\"security@hashicorp.com\",\"published\":\"2026-04-17T04:16:03.263\",\"lastModified\":\"2026-06-30T03:19:14.127\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.\"}],\"affected\":[{\"source\":\"security@hashicorp.com\",\"affectedData\":[{\"vendor\":\"HashiCorp\",\"product\":\"Vault\",\"defaultStatus\":\"unaffected\",\"platforms\":[\"64 bit\",\"32 bit\",\"x86\",\"ARM\",\"MacOS\",\"Windows\",\"Linux\"],\"repo\":\"https://github.com/hashicorp/vault\",\"versions\":[{\"version\":\"0.10.0\",\"lessThan\":\"2.0.0\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"HashiCorp\",\"product\":\"Vault Enterprise\",\"defaultStatus\":\"unaffected\",\"platforms\":[\"64 bit\",\"32 bit\",\"x86\",\"ARM\",\"MacOS\",\"Windows\",\"Linux\"],\"repo\":\"https://github.com/hashicorp/vault\",\"versions\":[{\"version\":\"0.10.0\",\"lessThan\":\"2.0.0\",\"versionType\":\"semver\",\"status\":\"affected\",\"changes\":[{\"at\":\"1.19.16\",\"status\":\"unaffected\"},{\"at\":\"1.20.10\",\"status\":\"unaffected\"},{\"at\":\"1.21.5\",\"status\":\"unaffected\"}]}]}]},{\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"affectedData\":[{\"vendor\":\"Red Hat\",\"product\":\"Red Hat Openshift Data Foundation 4\",\"defaultStatus\":\"affected\",\"cpes\":[\"cpe:/a:redhat:openshift_data_foundation:4\"]},{\"vendor\":\"Red Hat\",\"product\":\"Red Hat OpenShift Container Platform 4\",\"defaultStatus\":\"unaffected\",\"cpes\":[\"cpe:/a:redhat:openshift:4\"]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@hashicorp.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2},{\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-04-17T13:20:23.015074Z\",\"id\":\"CVE-2026-3605\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"security@hashicorp.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-288\"}]},{\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-639\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"0.10.0\",\"versionEndExcluding\":\"1.19.16\",\"matchCriteriaId\":\"A10F062C-C575-44AF-B8A5-90E3BD34D2E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"0.10.0\",\"versionEndExcluding\":\"2.0.0\",\"matchCriteriaId\":\"8A5E6BEF-C182-4E5D-A908-2CD2F2437205\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"1.20.0\",\"versionEndExcluding\":\"1.20.10\",\"matchCriteriaId\":\"E2135CCF-F6D8-41AC-8D0C-F763F63974B4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"1.21.0\",\"versionEndExcluding\":\"1.21.5\",\"matchCriteriaId\":\"C8097BD2-0B19-4BA7-930E-93A5A89EC4AF\"}]}]}],\"references\":[{\"url\":\"https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342\",\"source\":\"security@hashicorp.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://access.redhat.com/security/cve/CVE-2026-3605\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2459105\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\"},{\"url\":\"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3605.json\",\"source\":\"0b0ca135-0b70-47e7-9f44-1890c2a1c46c\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-3605\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-17T13:20:23.015074Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-17T13:20:25.836Z\"}}], \"cna\": {\"title\": \"Vault KVv2 Metadata and Secret Deletion Policy Bypass Denial-of-Service\", \"source\": {\"advisory\": \"HCSEC-2026-05\", \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"value\": \"This issue was independently identified and reported by chungkn from OneMount Group, as well as Andy RUSSON et Gabriel DEPARTOUT from almond.eu , sponsored the ANSSI (French Cybersecurity Agency) open-source security audit program.\"}], \"impacts\": [{\"capecId\": \"CAPEC-126\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-126: Path Traversal\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://github.com/hashicorp/vault\", \"vendor\": \"HashiCorp\", \"product\": \"Vault\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.10.0\", \"lessThan\": \"2.0.0\", \"versionType\": \"semver\"}], \"platforms\": [\"64 bit\", \"32 bit\", \"x86\", \"ARM\", \"MacOS\", \"Windows\", \"Linux\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://github.com/hashicorp/vault\", \"vendor\": \"HashiCorp\", \"product\": \"Vault Enterprise\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"1.19.16\", \"status\": \"unaffected\"}, {\"at\": \"1.20.10\", \"status\": \"unaffected\"}, {\"at\": \"1.21.5\", \"status\": \"unaffected\"}], \"version\": \"0.10.0\", \"lessThan\": \"2.0.0\", \"versionType\": \"semver\"}], \"platforms\": [\"64 bit\", \"32 bit\", \"x86\", \"ARM\", \"MacOS\", \"Windows\", \"Linux\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003eAn authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delete secrets across namespaces, nor read any secret data. Fxed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.\u003c/p\u003e\u003cbr/\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-288\", \"description\": \"CWE-288: Authentication Bypass Using an Alternate Path or Channel\"}]}], \"providerMetadata\": {\"orgId\": \"67fedba0-ff2e-4543-ba5b-aa93e87718cc\", \"shortName\": \"HashiCorp\", \"dateUpdated\": \"2026-04-17T17:57:55.431Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-3605\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-17T17:57:55.431Z\", \"dateReserved\": \"2026-03-05T16:37:23.520Z\", \"assignerOrgId\": \"67fedba0-ff2e-4543-ba5b-aa93e87718cc\", \"datePublished\": \"2026-04-17T02:44:42.032Z\", \"assignerShortName\": \"HashiCorp\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…