CVE-2026-61850 (GCVE-0-2026-61850)

Vulnerability from cvelistv5 – Published: 2026-10-30 19:33 – Updated: 2026-10-30 19:33
VLAI
Title
Kargo: Privilege escalation via Project RBAC management in the Kargo API
Summary
Kargo manages and automates the promotion of software artifacts. From 0.6.0 until 1.8.14, 1.9.9, and 1.10.8, two authorization flaws in the `project-scoped RBAC API` let an authenticated user with delegated permission to manage a Project's `Roles` or `ServiceAccounts` confer permissions exceeding the user's own. A user authorized to edit `Roles` can create, replace, or add rules granting permissions not held by the user; a user authorized to edit a Role's ServiceAccount can bind an identity, including the user's own, to a more powerful Role. A Kargo Role comprises a `ServiceAccount, Role, and RoleBinding` in the Project namespace. Changes are written using the API server's broadly privileged credentials after only a coarse resource-kind edit check, rather than checking each permission being conferred. This permits escalation to Project-administrator access, disclosure of `Project Secrets` and credentials, and modification or deletion of Project resources. Stolen Git, container-registry, or Helm-registry credentials can extend confidentiality and integrity impacts to those external systems. Escalation remains limited to Projects where the attacker already has RBAC-management delegation and does not itself grant cluster-wide or cross-Project access. Default non-administrator roles do not permit these operations; exploitation requires an `administrator-created custom role` granting the relevant permissions and control of an account assigned that role. This issue is fixed in versions 1.8.14, 1.9.9, and 1.10.8.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
CWE
  • CWE-269 - Improper Privilege Management
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 8083 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
akuity kargo Affected: >= 0.6.0, < 1.8.14
Affected: >= 1.9.0-rc.1, < 1.9.9
Affected: >= 1.10.0-rc.1, < 1.10.8
guessed Create a notification for this product.
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "kargo",
          "vendor": "akuity",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.6.0, \u003c 1.8.14"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.9.0-rc.1, \u003c 1.9.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 1.10.0-rc.1, \u003c 1.10.8"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Kargo manages and automates the promotion of software artifacts. From 0.6.0 until 1.8.14, 1.9.9, and 1.10.8, two authorization flaws in the `project-scoped RBAC API` let an authenticated user with delegated permission to manage a Project\u0027s `Roles` or `ServiceAccounts` confer permissions exceeding the user\u0027s own. A user authorized to edit `Roles` can create, replace, or add rules granting permissions not held by the user; a user authorized to edit a Role\u0027s ServiceAccount can bind an identity, including the user\u0027s own, to a more powerful Role. A Kargo Role comprises a `ServiceAccount, Role, and RoleBinding` in the Project namespace. Changes are written using the API server\u0027s broadly privileged credentials after only a coarse resource-kind edit check, rather than checking each permission being conferred. This permits escalation to Project-administrator access, disclosure of `Project Secrets` and credentials, and modification or deletion of Project resources. Stolen Git, container-registry, or Helm-registry credentials can extend confidentiality and integrity impacts to those external systems. Escalation remains limited to Projects where the attacker already has RBAC-management delegation and does not itself grant cluster-wide or cross-Project access. Default non-administrator roles do not permit these operations; exploitation requires an `administrator-created custom role` granting the relevant permissions and control of an account assigned that role. This issue is fixed in versions 1.8.14, 1.9.9, and 1.10.8."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "HIGH",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269: Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T19:33:01.720Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/akuity/kargo/security/advisories/GHSA-wp4p-hr79-q4g8",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/akuity/kargo/security/advisories/GHSA-wp4p-hr79-q4g8"
        },
        {
          "name": "https://github.com/akuity/kargo/commit/19639678811b486bddb014dabb25397771f3941e",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/commit/19639678811b486bddb014dabb25397771f3941e"
        },
        {
          "name": "https://github.com/akuity/kargo/commit/50d29c10153965114f903645c83eadbe7bf58d3f",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/commit/50d29c10153965114f903645c83eadbe7bf58d3f"
        },
        {
          "name": "https://github.com/akuity/kargo/commit/5ab7c4216a4151f55ea8ef9ff3b9f884dd322578",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/commit/5ab7c4216a4151f55ea8ef9ff3b9f884dd322578"
        },
        {
          "name": "https://github.com/akuity/kargo/commit/72fadd3600b35e6dce67042eb686720a48b45fa3",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/commit/72fadd3600b35e6dce67042eb686720a48b45fa3"
        },
        {
          "name": "https://github.com/akuity/kargo/releases/tag/v1.10.8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/releases/tag/v1.10.8"
        },
        {
          "name": "https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.1"
        },
        {
          "name": "https://github.com/akuity/kargo/releases/tag/v1.8.14",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/releases/tag/v1.8.14"
        },
        {
          "name": "https://github.com/akuity/kargo/releases/tag/v1.9.9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/akuity/kargo/releases/tag/v1.9.9"
        }
      ],
      "source": {
        "advisory": "GHSA-wp4p-hr79-q4g8",
        "discovery": "UNKNOWN"
      },
      "title": "Kargo: Privilege escalation via Project RBAC management in the Kargo API"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-61850",
    "datePublished": "2026-10-30T19:33:01.720Z",
    "dateReserved": "2026-07-10T20:28:17.513Z",
    "dateUpdated": "2026-10-30T19:33:01.720Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-61850",
      "date": "2026-10-31",
      "epss": "0.00359",
      "percentile": "0.29712"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "kargo",
                "vendor": "akuity",
                "versions": [
                  {
                    "status": "affected",
                    "version": "\u003e= 0.6.0, \u003c 1.8.14"
                  },
                  {
                    "status": "affected",
                    "version": "\u003e= 1.9.0-rc.1, \u003c 1.9.9"
                  },
                  {
                    "status": "affected",
                    "version": "\u003e= 1.10.0-rc.1, \u003c 1.10.8"
                  }
                ]
              }
            ],
            "source": "security-advisories@github.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Kargo manages and automates the promotion of software artifacts. From 0.6.0 until 1.8.14, 1.9.9, and 1.10.8, two authorization flaws in the `project-scoped RBAC API` let an authenticated user with delegated permission to manage a Project\u0027s `Roles` or `ServiceAccounts` confer permissions exceeding the user\u0027s own. A user authorized to edit `Roles` can create, replace, or add rules granting permissions not held by the user; a user authorized to edit a Role\u0027s ServiceAccount can bind an identity, including the user\u0027s own, to a more powerful Role. A Kargo Role comprises a `ServiceAccount, Role, and RoleBinding` in the Project namespace. Changes are written using the API server\u0027s broadly privileged credentials after only a coarse resource-kind edit check, rather than checking each permission being conferred. This permits escalation to Project-administrator access, disclosure of `Project Secrets` and credentials, and modification or deletion of Project resources. Stolen Git, container-registry, or Helm-registry credentials can extend confidentiality and integrity impacts to those external systems. Escalation remains limited to Projects where the attacker already has RBAC-management delegation and does not itself grant cluster-wide or cross-Project access. Default non-administrator roles do not permit these operations; exploitation requires an `administrator-created custom role` granting the relevant permissions and control of an account assigned that role. This issue is fixed in versions 1.8.14, 1.9.9, and 1.10.8."
          }
        ],
        "id": "CVE-2026-61850",
        "lastModified": "2026-10-30T20:17:11.530",
        "metrics": {
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 9.3,
                "baseSeverity": "CRITICAL",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "HIGH",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "LOW",
                "subConfidentialityImpact": "HIGH",
                "subIntegrityImpact": "HIGH",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "security-advisories@github.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2026-10-30T20:17:11.380",
        "references": [
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/commit/19639678811b486bddb014dabb25397771f3941e"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/commit/50d29c10153965114f903645c83eadbe7bf58d3f"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/commit/5ab7c4216a4151f55ea8ef9ff3b9f884dd322578"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/commit/72fadd3600b35e6dce67042eb686720a48b45fa3"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/releases/tag/v1.10.8"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/releases/tag/v1.11.0-rc.1"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/releases/tag/v1.8.14"
          },
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            "url": "https://github.com/akuity/kargo/releases/tag/v1.9.9"
          },
          {
            "source": "security-advisories@github.com",
            "url": "https://github.com/akuity/kargo/security/advisories/GHSA-wp4p-hr79-q4g8"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-269"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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