{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-3449",
        "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "state": "PUBLISHED",
        "assignerShortName": "snyk",
        "dateReserved": "2026-03-02T17:14:02.496Z",
        "datePublished": "2026-03-03T05:00:01.085Z",
        "dateUpdated": "2026-05-04T05:23:47.062Z"
    },
    "containers": {
        "cna": {
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "exploitCodeMaturity": "PROOF_OF_CONCEPT",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "LOW",
                        "baseScore": 3.3,
                        "baseSeverity": "LOW",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P"
                    },
                    "cvssV4_0": {
                        "version": "4.0",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "exploitMaturity": "PROOF_OF_CONCEPT",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 4.8,
                        "baseSeverity": "MEDIUM",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
                    }
                }
            ],
            "credits": [
                {
                    "value": "Nanak Singh Khurana",
                    "lang": "en"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-705",
                            "description": "Incorrect Control Flow Scoping",
                            "lang": "en"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
                "shortName": "snyk",
                "dateUpdated": "2026-05-04T05:23:47.062Z"
            },
            "descriptions": [
                {
                    "value": "Versions of the package @tootallnate/once before 3.0.1 are vulnerable to Incorrect Control Flow Scoping in promise resolving when AbortSignal option is used. The Promise remains in a permanently pending state after the signal is aborted, causing any await or .then() usage to hang indefinitely. This can cause a control-flow leak that can lead to stalled requests, blocked workers, or degraded application availability.",
                    "lang": "en"
                }
            ],
            "references": [
                {
                    "url": "https://security.snyk.io/vuln/SNYK-JS-TOOTALLNATEONCE-15250612"
                },
                {
                    "url": "https://github.com/TooTallNate/once/issues/8"
                },
                {
                    "url": "https://github.com/TooTallNate/once/commit/b9f43cc5259bee2952d91ad3cdbd201a82df448a"
                }
            ],
            "affected": [
                {
                    "product": "@tootallnate/once",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "3.0.1",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "vendor": "n/a"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-03T15:31:31.197282Z",
                                "id": "CVE-2026-3449",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2026-03-03T15:31:46.840Z"
                }
            }
        ]
    }
}