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    3 vulnerabilities by react

    CVE-2026-126187 (GCVE-0-2026-126187)

    Vulnerability from cvelistv5 – Published: 2026-11-10 22:33 – Updated: 2026-11-10 22:33
    VLAI
    Title
    React: Unauthenticated Remote Code Execution in React Server Components
    Summary
    React is a JavaScript library for building user interfaces. From 19.0.0 until 19.0.9, 19.1.10, 19.2.9, and 19.3.1, the react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack packages are vulnerable to unauthenticated remote code execution through crafted payloads targeting frameworks that support React Server Components. The vulnerability only affects extremely rare cases where responses transport multiple typed arrays and an attacker-controlled value. Applications whose React code does not use a server are not affected. Applications that do not use a framework, bundler, or bundler plugin that supports React Server Components are not affected. This issue is fixed in versions 19.0.9, 19.1.10, 19.2.9, and 19.3.1.
    Severity
    9.5 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
    CWE
    • CWE-502 - Deserialization of Untrusted Data
    Assigner
    GitHub_M CNA under the mitre root
    CNA scorecard C 72/100 over 7798 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    react react Affected: >= 19.0.0, < 19.0.9
    Affected: >= 19.1.0, < 19.1.10
    Affected: >= 19.2.0, < 19.2.9
    Affected: >= 19.3.0, < 19.3.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "react",
          "vendor": "react",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 19.0.0, \u003c 19.0.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 19.1.0, \u003c 19.1.10"
            },
            {
              "status": "affected",
              "version": "\u003e= 19.2.0, \u003c 19.2.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 19.3.0, \u003c 19.3.1"
            }
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        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "React is a JavaScript library for building user interfaces. From 19.0.0 until 19.0.9, 19.1.10, 19.2.9, and 19.3.1, the react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack packages are vulnerable to unauthenticated remote code execution through crafted payloads targeting frameworks that support React Server Components. The vulnerability only affects extremely rare cases where responses transport multiple typed arrays and an attacker-controlled value. Applications whose React code does not use a server are not affected. Applications that do not use a framework, bundler, or bundler plugin that supports React Server Components are not affected. This issue is fixed in versions 19.0.9, 19.1.10, 19.2.9, and 19.3.1."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 9.5,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "HIGH",
            "subIntegrityImpact": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N",
            "version": "4.0",
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          }
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        {
          "name": "https://github.com/react/react/security/advisories/GHSA-xqc2-xf4c-x3h3",
          "tags": [
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          ],
          "url": "https://github.com/react/react/security/advisories/GHSA-xqc2-xf4c-x3h3"
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          "name": "https://github.com/react/react/pull/37842",
          "tags": [
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          "tags": [
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          "name": "https://github.com/react/react/pull/37844",
          "tags": [
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          "url": "https://github.com/react/react/pull/37844"
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            "x_refsource_MISC"
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        },
        {
          "name": "https://github.com/react/react/pull/37846",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/react/react/pull/37846"
        },
        {
          "name": "https://github.com/react/react/commit/0c9913ae87283f96e868a8f1c20a3389827632d0",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/react/react/commit/0c9913ae87283f96e868a8f1c20a3389827632d0"
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          "name": "https://github.com/react/react/commit/249ac87b0dadea4ba024d1393e5cb60cf1186080",
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          "url": "https://github.com/react/react/commit/249ac87b0dadea4ba024d1393e5cb60cf1186080"
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          "tags": [
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          "url": "https://github.com/react/react/commit/3d06b4005ac0cf9dec37267f26174adfe6d83611"
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          "name": "https://github.com/react/react/commit/611d9217df39cf7b8ac91b2e41fd00555923e904",
          "tags": [
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          "url": "https://github.com/react/react/commit/611d9217df39cf7b8ac91b2e41fd00555923e904"
        },
        {
          "name": "https://github.com/react/react/commit/61aa00df822d0eb76d0362eb8b6fdd3527693efe",
          "tags": [
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          "url": "https://github.com/react/react/commit/61aa00df822d0eb76d0362eb8b6fdd3527693efe"
        },
        {
          "name": "https://github.com/react/react/releases/tag/v19.0.9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/react/react/releases/tag/v19.0.9"
        },
        {
          "name": "https://github.com/react/react/releases/tag/v19.1.10",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/react/react/releases/tag/v19.1.10"
        },
        {
          "name": "https://github.com/react/react/releases/tag/v19.2.9",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/react/react/releases/tag/v19.2.9"
        },
        {
          "name": "https://github.com/react/react/releases/tag/v19.3.1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/react/react/releases/tag/v19.3.1"
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      ],
      "source": {
        "advisory": "GHSA-xqc2-xf4c-x3h3",
        "discovery": "UNKNOWN"
      },
      "title": "React: Unauthenticated Remote Code Execution in React Server Components"
    }
  },
  "cveMetadata": {
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    "dateReserved": "2026-11-10T20:07:44.956Z",
    "dateUpdated": "2026-11-10T22:33:57.528Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-14802 (GCVE-0-2026-14802)

    Vulnerability from cvelistv5 – Published: 2026-07-06 06:30 – Updated: 2026-07-06 15:17
    VLAI
    Title
    react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection
    Summary
    A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
    7.3 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
    7.3 (High)
    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 15:17 UTC
    CWE
    Assigner
    VulDB CNA under the mitre root
    CNA scorecard B 83/100 over 3855 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    react create-react-app Affected: 5.0.0
    Affected: 5.0.1
        cpe:2.3:a:react:create-react-app:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Credits
    Dremig (VulDB User) VulDB CNA Team
    Show details on NVD website
    To clipboard 

    {
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    CVE-2026-14802 (GCVE-0-2026-14802)

    Vulnerability from nvd – Published: 2026-07-06 06:30 – Updated: 2026-07-06 15:17
    VLAI
    Title
    react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection
    Summary
    A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
    Severity
    6.9 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
    7.3 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
    7.3 (High)
    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 15:17 UTC
    CWE
    Assigner
    VulDB CNA under the mitre root
    CNA scorecard B 83/100 over 3855 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    react create-react-app Affected: 5.0.0
    Affected: 5.0.1
        cpe:2.3:a:react:create-react-app:*:*:*:*:*:*:*:*
    		Create a notification for this product.
    Credits
    Dremig (VulDB User) VulDB CNA Team
    Show details on NVD website
    To clipboard 

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