CVE-2026-45304

• GHSA-4qpc-3hr4-r2p4

• CGA-r882-6frc-5ph8

• 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator

{
    "cwe_ids": [
        "CWE-776"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45304.json",
    "cna_assigner": "GitHub_M",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "5.4.52"
                },
                {
                    "introduced": "6.0.0-BETA1"
                },
                {
                    "fixed": "6.4.40"
                },
                {
                    "introduced": "7.0.0-BETA1"
                },
                {
                    "fixed": "7.4.12"
                },
                {
                    "introduced": "8.0.0-BETA1"
                },
                {
                    "fixed": "8.0.12"
                },
                {
                    "fixed": "5.4.52"
                },
                {
                    "introduced": "6.0.0-BETA1"
                },
                {
                    "fixed": "6.4.40"
                },
                {
                    "introduced": "7.0.0-BETA1"
                },
                {
                    "fixed": "7.4.12"
                },
                {
                    "introduced": "8.0.0-BETA1"
                },
                {
                    "fixed": "8.0.12"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}

• https://github.com/symfony/symfony/releases/tag/v5.4.52
• https://github.com/symfony/symfony/releases/tag/v6.4.40
• https://github.com/symfony/symfony/releases/tag/v7.4.12
• https://github.com/symfony/symfony/releases/tag/v8.0.12
• https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45304.json
• https://github.com/symfony/symfony/security/advisories/GHSA-4qpc-3hr4-r2p4
• https://nvd.nist.gov/vuln/detail/CVE-2026-45304
• https://github.com/symfony/symfony/commit/e77391b2e4f18821198f010d573674c8ed4a970a