{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-73840",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-08-13T17:44:28.640Z",
        "datePublished": "2026-08-13T21:52:27.798Z",
        "dateUpdated": "2026-08-14T16:26:09.846Z"
    },
    "containers": {
        "cna": {
            "title": "OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-287",
                            "lang": "en",
                            "description": "CWE-287: Improper Authentication",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-290",
                            "lang": "en",
                            "description": "CWE-290: Authentication Bypass by Spoofing",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-345",
                            "lang": "en",
                            "description": "CWE-345: Insufficient Verification of Data Authenticity",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "LOW",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/openchoreo/openchoreo/security/advisories/GHSA-c5f6-2rm9-2w8g",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/security/advisories/GHSA-c5f6-2rm9-2w8g"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/pull/4239",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/pull/4239"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/pull/4252",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/pull/4252"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/pull/4253",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/pull/4253"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/commit/268efd9b762a3f4f72b55d9c1b13dfc55122127b"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/commit/8af4a3fc8725fc2d8a9de9611e77278a5c48f978"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/commit/f540553db7143141b73bb37fae02102e6f082a34"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/releases/tag/v1.0.3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.0.3"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/releases/tag/v1.1.3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.1.3"
                },
                {
                    "name": "https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openchoreo/openchoreo/releases/tag/v1.2.0-rc.2"
                }
            ],
            "affected": [
                {
                    "vendor": "openchoreo",
                    "product": "openchoreo",
                    "versions": [
                        {
                            "version": "< 1.0.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 1.1.0, < 1.1.3",
                            "status": "affected"
                        },
                        {
                            "version": ">= 1.2.0-rc.1, < 1.2.0-rc.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-08-13T21:52:27.995Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhook_handler.go selected a webhook provider from caller-controlled X-Event-Key, accepted Bitbucket requests without HMAC-SHA256 in X-Hub-Signature or a configured bitbucket-secret, and allowed unauthenticated build triggers for components matched by repository URL and branch, including cross-provider triggers using attacker-supplied commit SHAs. This issue is fixed in versions 1.0.3, 1.1.3, and 1.2.0-rc.2."
                }
            ],
            "source": {
                "advisory": "GHSA-c5f6-2rm9-2w8g",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-14T16:25:46.438980Z",
                                "id": "CVE-2026-73840",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "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": "2026-08-14T16:26:09.846Z"
                }
            }
        ]
    }
}