Lookup for vulnerable packages by Package URL.

GET /api/packages/41911?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/packages/41911?format=api",
    "purl": "pkg:composer/symfony/security@5.3.0",
    "type": "composer",
    "namespace": "symfony",
    "name": "security",
    "version": "5.3.0",
    "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/11637?format=api",
            "vulnerability_id": "VCID-kqcd-f4vt-r7g8",
            "summary": "Session Fixation\n`Symfony/SecurityBundle` is the security system for Symfony, a PHP framework for web and console applications and a set of reusable PHP components. Since the rework of the Remember me cookie, the cookie is not invalidated when the user changes their password. Attackers can therefore maintain their access to the account even if the password is changed as long as they have had the chance to login once and get a valid remember me cookie. Starting with, Symfony makes the password part of the signature by default. In that way, when the password changes, then the cookie is not valid anymore.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-41268",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64778",
                            "published_at": "2026-04-01T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64896",
                            "published_at": "2026-04-21T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64911",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64863",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64891",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.649",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64883",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64868",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64818",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64855",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.00476",
                            "scoring_system": "epss",
                            "scoring_elements": "0.64828",
                            "published_at": "2026-04-02T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-41268"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-bundle/CVE-2021-41268.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-bundle/CVE-2021-41268.yaml"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2021-41268.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2021-41268.yaml"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/symfony/symfony"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony/commit/36a808b857cd3240244f4b224452fb1e70dc6dfc",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/symfony/symfony/commit/36a808b857cd3240244f4b224452fb1e70dc6dfc"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony/pull/44243",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/symfony/symfony/pull/44243"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony/releases/tag/v5.3.12",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/symfony/symfony/releases/tag/v5.3.12"
                },
                {
                    "reference_url": "https://symfony.com/cve-2021-41268",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://symfony.com/cve-2021-41268"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41268",
                    "reference_id": "CVE-2021-41268",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41268"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-qw36-p97w-vcqr",
                    "reference_id": "GHSA-qw36-p97w-vcqr",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-qw36-p97w-vcqr"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony/security/advisories/GHSA-qw36-p97w-vcqr",
                    "reference_id": "GHSA-qw36-p97w-vcqr",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/symfony/symfony/security/advisories/GHSA-qw36-p97w-vcqr"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/41912?format=api",
                    "purl": "pkg:composer/symfony/security@5.3.12",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@5.3.12"
                }
            ],
            "aliases": [
                "CVE-2021-41268",
                "GHSA-qw36-p97w-vcqr"
            ],
            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-kqcd-f4vt-r7g8"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "3.1",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@5.3.0"
}