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    2 vulnerabilities by shivammathur

    CVE-2026-46420 (GCVE-0-2026-46420)

    Vulnerability from nvd – Published: 2026-07-17 19:51 – Updated: 2026-07-20 18:15
    VLAI
    Title
    setup-php: Command Injection in Repository-Derived PHP Version Resolution
    Summary
    setup-php is a GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and tools. From 2.25.0 prior to 2.37.1, shivammathur/setup-php resolves the PHP version from repository-controlled files such as .php-version, composer.lock through platform-overrides.php, and composer.json through config.platform.php, and insufficiently constrains those values before incorporating them into generated shell or PowerShell setup scripts, allowing command injection on a GitHub Actions runner when workflows such as pull_request_target check out attacker-controlled contents before invoking setup-php. This issue is fixed in version 2.37.1.
    Severity
    5.6 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    shivammathur setup-php Affected: >= 2.25.0, < 2.37.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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                "id": "CVE-2026-46420",
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                "role": "CISA Coordinator",
                "timestamp": "2026-07-20T18:09:22.675511Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "product": "setup-php",
          "vendor": "shivammathur",
          "versions": [
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              "version": "\u003e= 2.25.0, \u003c 2.37.1"
            }
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      ],
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          "value": "setup-php is a GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and tools. From 2.25.0 prior to 2.37.1, shivammathur/setup-php resolves the PHP version from repository-controlled files such as .php-version, composer.lock through platform-overrides.php, and composer.json through config.platform.php, and insufficiently constrains those values before incorporating them into generated shell or PowerShell setup scripts, allowing command injection on a GitHub Actions runner when workflows such as pull_request_target check out attacker-controlled contents before invoking setup-php. This issue is fixed in version 2.37.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
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          ],
          "url": "https://github.com/shivammathur/setup-php/security/advisories/GHSA-pqwm-q9pv-ph8r"
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        "advisory": "GHSA-pqwm-q9pv-ph8r",
        "discovery": "UNKNOWN"
      },
      "title": "setup-php: Command Injection in Repository-Derived PHP Version Resolution"
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    "datePublished": "2026-07-17T19:51:10.253Z",
    "dateReserved": "2026-05-13T22:18:22.829Z",
    "dateUpdated": "2026-07-20T18:15:56.324Z",
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    CVE-2026-46420 (GCVE-0-2026-46420)

    Vulnerability from cvelistv5 – Published: 2026-07-17 19:51 – Updated: 2026-07-20 18:15
    VLAI
    Title
    setup-php: Command Injection in Repository-Derived PHP Version Resolution
    Summary
    setup-php is a GitHub action to set up PHP with extensions, php.ini configuration, coverage drivers, and tools. From 2.25.0 prior to 2.37.1, shivammathur/setup-php resolves the PHP version from repository-controlled files such as .php-version, composer.lock through platform-overrides.php, and composer.json through config.platform.php, and insufficiently constrains those values before incorporating them into generated shell or PowerShell setup scripts, allowing command injection on a GitHub Actions runner when workflows such as pull_request_target check out attacker-controlled contents before invoking setup-php. This issue is fixed in version 2.37.1.
    Severity
    5.6 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    shivammathur setup-php Affected: >= 2.25.0, < 2.37.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        "metrics": [
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                "id": "CVE-2026-46420",
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                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-20T18:09:22.675511Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "product": "setup-php",
          "vendor": "shivammathur",
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      ],
      "metrics": [
        {
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
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          "url": "https://github.com/shivammathur/setup-php/security/advisories/GHSA-pqwm-q9pv-ph8r"
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