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Package Instance

Lookup for vulnerable packages by Package URL.

GET /api/packages/1068287?format=api
HTTP 200 OK
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Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/1068287?format=api",
    "purl": "pkg:pypi/flash-attn@2.5.4",
    "type": "pypi",
    "namespace": "",
    "name": "flash-attn",
    "version": "2.5.4",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": null,
    "latest_non_vulnerable_version": null,
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/71244?format=api",
            "vulnerability_id": "VCID-h59a-wm58-qfdp",
            "summary": "The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 (2025-13-04) contains an insecure deserialization vulnerability (CWE-502) in its checkpoint loading mechanism. The load_checkpoint() function in checkpoint.py and the checkpoint loading code in eval.py use torch.load() without enabling the security-restrictive weights_only=True parameter. This allows the deserialization of arbitrary Python objects via the pickle module. An attacker can exploit this by providing a maliciously crafted checkpoint file. When a victim loads this checkpoint during model warmstarting or evaluation, arbitrary code is executed on the victim's system.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-31253",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00047",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14925",
                            "published_at": "2026-06-11T12:55:00Z"
                        },
                        {
                            "value": "0.0005",
                            "scoring_system": "epss",
                            "scoring_elements": "0.1625",
                            "published_at": "2026-06-14T12:55:00Z"
                        },
                        {
                            "value": "0.0005",
                            "scoring_system": "epss",
                            "scoring_elements": "0.16281",
                            "published_at": "2026-06-13T12:55:00Z"
                        },
                        {
                            "value": "0.0005",
                            "scoring_system": "epss",
                            "scoring_elements": "0.16272",
                            "published_at": "2026-06-12T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-31253"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31253",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31253"
                },
                {
                    "reference_url": "https://www.notion.so/CVE-2026-31253-35d1e1393188813f9e77e2038104bc49",
                    "reference_id": "CVE-2026-31253-35d1e1393188813f9e77e2038104bc49",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T19:32:06Z/"
                        }
                    ],
                    "url": "https://www.notion.so/CVE-2026-31253-35d1e1393188813f9e77e2038104bc49"
                },
                {
                    "reference_url": "https://github.com/Dao-AILab/flash-attention",
                    "reference_id": "flash-attention",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-12T19:32:06Z/"
                        }
                    ],
                    "url": "https://github.com/Dao-AILab/flash-attention"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-7g5w-pq96-8c5w",
                    "reference_id": "GHSA-7g5w-pq96-8c5w",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-7g5w-pq96-8c5w"
                }
            ],
            "fixed_packages": [],
            "aliases": [
                "CVE-2026-31253",
                "GHSA-7g5w-pq96-8c5w"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-h59a-wm58-qfdp"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "4.0",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/flash-attn@2.5.4"
}