{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-41187",
        "assignerOrgId": "e6d453f4-3dae-4941-bcea-9af25f4e824d",
        "state": "PUBLISHED",
        "assignerShortName": "Tigera",
        "dateReserved": "2026-04-17T17:41:35.905Z",
        "datePublished": "2026-07-30T14:45:04.247Z",
        "dateUpdated": "2026-07-30T16:11:27.341Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "e6d453f4-3dae-4941-bcea-9af25f4e824d",
                "shortName": "Tigera",
                "dateUpdated": "2026-07-30T14:45:04.247Z"
            },
            "title": "Calico Tier Authorization Bypass via DeleteCollection",
            "datePublic": "2026-07-30T16:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-285",
                            "description": "CWE-285 Improper Authorization",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-863",
                            "description": "CWE-863 Incorrect Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Tigera",
                    "product": "Calico",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "3.31.6",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "3.32.0",
                            "lessThan": "3.32.1",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                },
                {
                    "vendor": "Tigera",
                    "product": "Calico Enterprise",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "3.21.7",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "3.22.0",
                            "lessThan": "3.22.5",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                },
                {
                    "vendor": "Tigera",
                    "product": "Calico Cloud",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "22.4.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Calico's apiserver wraps tier-scoped resources so that every operation runs through AuthorizeTierOperation, but the Delete override on NetworkPolicy, GlobalNetworkPolicy, and their staged variants is not invoked for DeleteCollection requests. A user holding the deletecollection verb or wildcard verbs on tier-scoped policy resources can bulk-delete policies in tiers they otherwise have no rights on, breaking the tier authorization boundary.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Calico's apiserver wraps tier-scoped resources so that every operation runs through AuthorizeTierOperation, but the Delete override on NetworkPolicy, GlobalNetworkPolicy, and their staged variants is not invoked for DeleteCollection requests. A user holding the deletecollection verb or wildcard verbs on tier-scoped policy resources can bulk-delete policies in tiers they otherwise have no rights on, breaking the tier authorization boundary.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/projectcalico/calico/pull/12731",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/projectcalico/calico/pull/12735",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/projectcalico/calico/pull/12736",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/projectcalico/calico/pull/12737",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://www.tigera.io/security-bulletins/tta-2026-006/",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "subIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "LOW",
                        "subAvailabilityImpact": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.2,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:L/SA:H"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Behnam Shobiri",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Mazdak Nasab",
                    "type": "remediation developer"
                },
                {
                    "lang": "en",
                    "value": "Anthony Tam",
                    "type": "remediation reviewer"
                },
                {
                    "lang": "en",
                    "value": "Matt Dupre",
                    "type": "remediation reviewer"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.2"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-30T16:11:20.822241Z",
                                "id": "CVE-2026-41187",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-30T16:11:27.341Z"
                }
            }
        ]
    }
}