CVE-2026-33551 (GCVE-0-2026-33551)
Vulnerability from cvelistv5
Published
2026-04-10 00:00
Modified
2026-04-10 13:50
CWE
  • CWE-863 - Incorrect Authorization
Summary
An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0. Restricted application credentials can create EC2 credentials. By using a restricted application credential to call the EC2 credential creation API, an authenticated user with only a reader role may obtain an EC2/S3 credential that carries the full set of the parent user's S3 permissions, effectively bypassing the role restrictions imposed on the application credential. Only deployments that use restricted application credentials in combination with the EC2/S3 compatibility API (swift3 / s3api) are affected.
Impacted products
Vendor Product Version
OpenStack Keystone Version: 14.0.0   
Version: 27.0.0   
Version: 28.0.0   
Version: 29.0.0   
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-04-10T03:07:01.673Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/04/07/12"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33551",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-10T13:50:09.231560Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-10T13:50:43.389Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://bugs.launchpad.net/keystone/+bug/2142138"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Keystone",
          "vendor": "OpenStack",
          "versions": [
            {
              "lessThan": "26.1.1",
              "status": "affected",
              "version": "14.0.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "27.0.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "28.0.0",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "29.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "26.1.1",
                  "versionStartIncluding": "14.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "27.0.0",
                  "versionStartIncluding": "27.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "28.0.0",
                  "versionStartIncluding": "28.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "29.0.0",
                  "versionStartIncluding": "29.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0. Restricted application credentials can create EC2 credentials. By using a restricted application credential to call the EC2 credential creation API, an authenticated user with only a reader role may obtain an EC2/S3 credential that carries the full set of the parent user\u0027s S3 permissions, effectively bypassing the role restrictions imposed on the application credential. Only deployments that use restricted application credentials in combination with the EC2/S3 compatibility API (swift3 / s3api) are affected."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-10T02:02:56.184Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://bugs.launchpad.net/keystone/+bug/2142138"
        },
        {
          "url": "https://security.openstack.org/ossa/OSSA-2026-005.html"
        }
      ],
      "x_generator": {
        "engine": "enrichogram 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-33551",
    "datePublished": "2026-04-10T00:00:00.000Z",
    "dateReserved": "2026-03-22T00:00:00.000Z",
    "dateUpdated": "2026-04-10T13:50:43.389Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2026/04/07/12\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2026-04-10T03:07:01.673Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-33551\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-10T13:50:09.231560Z\"}}}], \"references\": [{\"url\": \"https://bugs.launchpad.net/keystone/+bug/2142138\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-10T13:50:04.020Z\"}}], \"cna\": {\"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 3.5, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N\"}}], \"affected\": [{\"vendor\": \"OpenStack\", \"product\": \"Keystone\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.0.0\", \"lessThan\": \"26.1.1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"27.0.0\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"28.0.0\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"29.0.0\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://bugs.launchpad.net/keystone/+bug/2142138\"}, {\"url\": \"https://security.openstack.org/ossa/OSSA-2026-005.html\"}], \"x_generator\": {\"engine\": \"enrichogram 0.0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0. Restricted application credentials can create EC2 credentials. By using a restricted application credential to call the EC2 credential creation API, an authenticated user with only a reader role may obtain an EC2/S3 credential that carries the full set of the parent user\u0027s S3 permissions, effectively bypassing the role restrictions imposed on the application credential. Only deployments that use restricted application credentials in combination with the EC2/S3 compatibility API (swift3 / s3api) are affected.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-863\", \"description\": \"CWE-863 Incorrect Authorization\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"26.1.1\", \"versionStartIncluding\": \"14.0.0\"}, {\"criteria\": \"cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"27.0.0\", \"versionStartIncluding\": \"27.0.0\"}, {\"criteria\": \"cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"28.0.0\", \"versionStartIncluding\": \"28.0.0\"}, {\"criteria\": \"cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndIncluding\": \"29.0.0\", \"versionStartIncluding\": \"29.0.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2026-04-10T02:02:56.184Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-33551\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-10T13:50:43.389Z\", \"dateReserved\": \"2026-03-22T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2026-04-10T00:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…