{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53459",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-09T16:31:21.495Z",
        "datePublished": "2026-09-15T17:25:27.247Z",
        "dateUpdated": "2026-09-17T16:30:18.884Z"
    },
    "containers": {
        "cna": {
            "title": "Bambuddy's authentication fails open on database errors, allowing unauthenticated access to all endpoints",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-636",
                            "lang": "en",
                            "description": "CWE-636: Not Failing Securely ('Failing Open')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-755",
                            "lang": "en",
                            "description": "CWE-755: Improper Handling of Exceptional Conditions",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/maziggy/bambuddy/security/advisories/GHSA-6mf4-q26m-47pv",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/maziggy/bambuddy/security/advisories/GHSA-6mf4-q26m-47pv"
                },
                {
                    "name": "https://github.com/maziggy/bambuddy/commit/845ad39b19bf99afeea571c6bae09695777e1460",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/maziggy/bambuddy/commit/845ad39b19bf99afeea571c6bae09695777e1460"
                },
                {
                    "name": "https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/core/auth.py#L473-L483",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/core/auth.py#L473-L483"
                },
                {
                    "name": "https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/main.py#L5314-L5316",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/maziggy/bambuddy/blob/449502cc9fc1cec04f06d31512420eac729fd032/backend/app/main.py#L5314-L5316"
                },
                {
                    "name": "https://github.com/maziggy/bambuddy/blob/main/CHANGELOG.md",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/maziggy/bambuddy/blob/main/CHANGELOG.md"
                },
                {
                    "name": "https://github.com/maziggy/bambuddy/releases/tag/v0.2.4.4",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/maziggy/bambuddy/releases/tag/v0.2.4.4"
                }
            ],
            "affected": [
                {
                    "vendor": "maziggy",
                    "product": "bambuddy",
                    "versions": [
                        {
                            "version": ">= 0.1.6, < 0.2.4.4",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-09-15T17:25:27.247Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Bambuddy is a self-hosted print archive and management system for Bambu Lab 3D printers. Starting in version 0.1.6 and prior to version 0.2.4.4, a fail-open in the authentication code allows any attacker to bypass authentication by flooding a public endpoint to exhaust resources causing database access to fail, granting unauthenticated access to all protected endpoints. Version 0.2.4.4 patches the issue."
                }
            ],
            "source": {
                "advisory": "GHSA-6mf4-q26m-47pv",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-17T16:30:00.814754Z",
                                "id": "CVE-2026-53459",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-17T16:30:18.884Z"
                }
            }
        ]
    }
}