CVE-2026-82531

• GHSA-3w63-v7pm-cq9x

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

{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-94"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82531.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "4.5.8"
                },
                {
                    "introduced": "5.0.0"
                },
                {
                    "fixed": "5.8.5"
                }
            ],
            "source": "AFFECTED_FIELD"
        },
        {
            "extracted_events": [
                {
                    "fixed": "4.5.8"
                },
                {
                    "introduced": "5.0.0"
                },
                {
                    "fixed": "5.8.5"
                }
            ],
            "source": "CPE_FIELD"
        },
        {
            "extracted_events": [
                {
                    "fixed": "4.5.8"
                },
                {
                    "introduced": "5.x"
                },
                {
                    "fixed": "5.8.5"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

• https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82531.json
• https://github.com/smarty-php/smarty/releases/tag/v4.5.8
• https://github.com/smarty-php/smarty/releases/tag/v5.8.5
• https://github.com/smarty-php/smarty/security/advisories/GHSA-3w63-v7pm-cq9x
• https://nvd.nist.gov/vuln/detail/CVE-2026-82531
• https://www.vulncheck.com/advisories/smarty-before-4.5.8-and-5-x-before-5.8.5-php-code-injection-via-extends-inheritance-cache
• https://github.com/smarty-php/smarty/commit/1cba51cb813563eb61d963c83d28cd59f26b858d
• https://github.com/smarty-php/smarty/commit/c0fdd4824aca4f67e814b50703cfee1dfde41414
• https://github.com/smarty-php/smarty