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    2 vulnerabilities by shriyanss

    CVE-2026-55378 (GCVE-0-2026-55378)

    Vulnerability from nvd – Published: 2026-08-28 18:15 – Updated: 2026-08-28 18:15
    VLAI
    Title
    JS Recon: Command injection in PR Branch Checker workflow via untrusted pull request context values
    Summary
    JS Recon is a JavaScript enumeration and SAST tool. From 1.2.1-beta.1 until 1.3.1-beta.2, the PR Branch Checker workflow in .github/workflows/pr_checker.yml places github.head_ref and github.event.pull_request.head.repo.full_name into BRANCH_NAME and SOURCE_REPO and interpolates those untrusted values into a shell gh pr comment command. A remote user who opens a pull request can use shell metacharacters in a branch or fork name to execute commands in the GitHub Actions runner with the workflow's GITHUB_TOKEN, which has pull-requests write permission. This issue is fixed in version 1.3.1-beta.2.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    shriyanss js-recon Affected: >= 1.2.1-beta.1, < 1.3.1-beta.2
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "js-recon",
          "vendor": "shriyanss",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.2.1-beta.1, \u003c 1.3.1-beta.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "JS Recon is a JavaScript enumeration and SAST tool. From 1.2.1-beta.1 until 1.3.1-beta.2, the PR Branch Checker workflow in .github/workflows/pr_checker.yml places github.head_ref and github.event.pull_request.head.repo.full_name into BRANCH_NAME and SOURCE_REPO and interpolates those untrusted values into a shell gh pr comment command. A remote user who opens a pull request can use shell metacharacters in a branch or fork name to execute commands in the GitHub Actions runner with the workflow\u0027s GITHUB_TOKEN, which has pull-requests write permission. This issue is fixed in version 1.3.1-beta.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T18:15:41.125Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/js-recon/js-recon/security/advisories/GHSA-w9cj-mg3x-qjm4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/js-recon/js-recon/security/advisories/GHSA-w9cj-mg3x-qjm4"
        },
        {
          "name": "https://github.com/js-recon/js-recon/pull/121",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/js-recon/js-recon/pull/121"
        },
        {
          "name": "https://github.com/js-recon/js-recon/commit/447876c4bfa9ec5bc98cbc65d7a3e5f889412491",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/js-recon/js-recon/commit/447876c4bfa9ec5bc98cbc65d7a3e5f889412491"
        },
        {
          "name": "https://github.com/js-recon/js-recon/releases/tag/v1.3.1-beta.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/js-recon/js-recon/releases/tag/v1.3.1-beta.2"
        }
      ],
      "source": {
        "advisory": "GHSA-w9cj-mg3x-qjm4",
        "discovery": "UNKNOWN"
      },
      "title": "JS Recon: Command injection in PR Branch Checker workflow via untrusted pull request context values"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-55378",
    "datePublished": "2026-08-28T18:15:41.125Z",
    "dateReserved": "2026-06-16T18:57:40.181Z",
    "dateUpdated": "2026-08-28T18:15:41.125Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-55378 (GCVE-0-2026-55378)

    Vulnerability from cvelistv5 – Published: 2026-08-28 18:15 – Updated: 2026-08-28 18:15
    VLAI
    Title
    JS Recon: Command injection in PR Branch Checker workflow via untrusted pull request context values
    Summary
    JS Recon is a JavaScript enumeration and SAST tool. From 1.2.1-beta.1 until 1.3.1-beta.2, the PR Branch Checker workflow in .github/workflows/pr_checker.yml places github.head_ref and github.event.pull_request.head.repo.full_name into BRANCH_NAME and SOURCE_REPO and interpolates those untrusted values into a shell gh pr comment command. A remote user who opens a pull request can use shell metacharacters in a branch or fork name to execute commands in the GitHub Actions runner with the workflow's GITHUB_TOKEN, which has pull-requests write permission. This issue is fixed in version 1.3.1-beta.2.
    Severity
    9.3 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    shriyanss js-recon Affected: >= 1.2.1-beta.1, < 1.3.1-beta.2
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "js-recon",
          "vendor": "shriyanss",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 1.2.1-beta.1, \u003c 1.3.1-beta.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "JS Recon is a JavaScript enumeration and SAST tool. From 1.2.1-beta.1 until 1.3.1-beta.2, the PR Branch Checker workflow in .github/workflows/pr_checker.yml places github.head_ref and github.event.pull_request.head.repo.full_name into BRANCH_NAME and SOURCE_REPO and interpolates those untrusted values into a shell gh pr comment command. A remote user who opens a pull request can use shell metacharacters in a branch or fork name to execute commands in the GitHub Actions runner with the workflow\u0027s GITHUB_TOKEN, which has pull-requests write permission. This issue is fixed in version 1.3.1-beta.2."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T18:15:41.125Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/js-recon/js-recon/security/advisories/GHSA-w9cj-mg3x-qjm4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/js-recon/js-recon/security/advisories/GHSA-w9cj-mg3x-qjm4"
        },
        {
          "name": "https://github.com/js-recon/js-recon/pull/121",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/js-recon/js-recon/pull/121"
        },
        {
          "name": "https://github.com/js-recon/js-recon/commit/447876c4bfa9ec5bc98cbc65d7a3e5f889412491",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/js-recon/js-recon/commit/447876c4bfa9ec5bc98cbc65d7a3e5f889412491"
        },
        {
          "name": "https://github.com/js-recon/js-recon/releases/tag/v1.3.1-beta.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/js-recon/js-recon/releases/tag/v1.3.1-beta.2"
        }
      ],
      "source": {
        "advisory": "GHSA-w9cj-mg3x-qjm4",
        "discovery": "UNKNOWN"
      },
      "title": "JS Recon: Command injection in PR Branch Checker workflow via untrusted pull request context values"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-55378",
    "datePublished": "2026-08-28T18:15:41.125Z",
    "dateReserved": "2026-06-16T18:57:40.181Z",
    "dateUpdated": "2026-08-28T18:15:41.125Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}