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    12 vulnerabilities found for fastify-static by fastify

    CVE-2026-7120 (GCVE-0-2026-7120)

    Vulnerability from nvd – Published: 2026-07-23 02:48 – Updated: 2026-07-23 14:15
    VLAI
    Title
    @fastify/static vulnerable to Authorization Bypass via Non-Canonical URL Paths
    Summary
    @fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separators in the pathname used for file resolution. Versions up to and including 10.1.1 are affected. An unauthenticated attacker can bypass allowedPath restrictions by requesting equivalent non-canonical pathnames, causing files that were intended to be denied to be served anyway. The bypass does not allow access outside the configured static root by itself, it defeats path-based filtering only. The issue is patched in @fastify/static 10.1.2.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-23 14:15 UTC
    CWE
    • CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 0 , < 10.1.2 (semver)
    Unaffected: 10.1.2 (semver)
    		Create a notification for this product.
    Credits
    yuki-matsuhashi mcollina UlisesGascon
    Show details on NVD website
    To clipboard 

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    CVE-2026-15074 (GCVE-0-2026-15074)

    Vulnerability from nvd – Published: 2026-07-23 03:01 – Updated: 2026-07-23 14:14
    VLAI
    Title
    @fastify/static vulnerable to route guard bypass via path traversal
    Summary
    @fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot segments before applying its own path-traversal guard, an unauthenticated attacker can bypass any route-scoped middleware and read files inside the static root that live under the guarded URL prefix. The bypass does not allow access outside the configured static root by itself, it defeats route-guard filtering only. The issue is patched in @fastify/static 10.1.1.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-23 14:14 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 0 , < 10.1.1 (semver)
    Unaffected: 10.1.1 (semver)
    		Create a notification for this product.
    Credits
    imssm99 mcollina UlisesGascon
    Show details on NVD website
    To clipboard 

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    CVE-2026-6410 (GCVE-0-2026-6410)

    Vulnerability from nvd – Published: 2026-04-16 13:29 – Updated: 2026-04-16 14:19
    VLAI
    Title
    @fastify/static vulnerable to path traversal in directory listing
    Summary
    @fastify/static versions 8.0.0 through 9.1.0 allow path traversal when directory listing is enabled via the list option. The dirList.path() function resolves directories outside the configured static root using path.join() without a containment check. A remote unauthenticated attacker can obtain directory listings for arbitrary directories accessible to the Node.js process, disclosing directory and file names. File contents are not disclosed. Upgrade to @fastify/static 9.1.1 to fix this issue. As a workaround, disable directory listing by removing the list option from the plugin configuration.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-16 14:19 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 8.0.0 , < 9.1.1 (semver)
    Unaffected: 9.1.1 (semver)
    		Create a notification for this product.
    Credits
    yuki-matsuhashi mcollina UlisesGascon climba03003
    Show details on NVD website
    To clipboard 

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    CVE-2026-6414 (GCVE-0-2026-6414)

    Vulnerability from nvd – Published: 2026-04-16 13:09 – Updated: 2026-04-16 13:48
    VLAI
    Title
    @fastify/static vulnerable to route guard bypass via encoded path separators
    Summary
    @fastify/static versions 8.0.0 through 9.1.0 decode percent-encoded path separators (%2F) before filesystem resolution, while Fastify's router treats them as literal characters. This mismatch allows attackers to bypass route-based middleware or guards that protect files served by @fastify/static. For example, a route guard on a protected path can be circumvented by encoding the path separator in the URL. Upgrade to @fastify/static 9.1.1 to fix this issue. There are no workarounds.
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-16 13:48 UTC
    CWE
    • CWE-177 - Improper Handling of URL Encoding (Hex Encoding)
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 8.0.0 , < 9.1.1 (semver)
    Unaffected: 9.1.1 (semver)
    		Create a notification for this product.
    Credits
    blakeembrey mcollina UlisesGascon climba03003
    Show details on NVD website
    To clipboard 

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    CVE-2021-22963 (GCVE-0-2021-22963)

    Vulnerability from nvd – Published: 2021-10-14 14:50 – Updated: 2024-08-03 18:58
    VLAI
    Summary
    A redirect vulnerability in the fastify-static module version < 4.2.4 allows remote attackers to redirect users to arbitrary websites via a double slash // followed by a domain: http://localhost:3000//google.com/%2e%2e.The issue shows up on all the fastify-static applications that set redirect: true option. By default, it is false.
    Severity
    No CVSS data available.
    CWE
    • CWE-601 - Open Redirect (CWE-601)
    Assigner
    References
    URL Tags
    https://hackerone.com/reports/1354255 x_refsource_MISC
    Impacted products
    Vendor Product Version
    n/a https://github.com/fastify/fastify-static Affected: Affects < v4.2.4. Fixed in >= v4.2.4
    Show details on NVD website
    To clipboard 

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    CVE-2021-22964 (GCVE-0-2021-22964)

    Vulnerability from nvd – Published: 2021-10-14 14:50 – Updated: 2024-08-03 18:58
    VLAI
    Summary
    A redirect vulnerability in the `fastify-static` module version >= 4.2.4 and < 4.4.1 allows remote attackers to redirect Mozilla Firefox users to arbitrary websites via a double slash `//` followed by a domain: `http://localhost:3000//a//youtube.com/%2e%2e%2f%2e%2e`.A DOS vulnerability is possible if the URL contains invalid characters `curl --path-as-is "http://localhost:3000//^/.."`The issue shows up on all the `fastify-static` applications that set `redirect: true` option. By default, it is `false`.
    Severity
    No CVSS data available.
    CWE
    • CWE-400 - Denial of Service (CWE-400)
    Assigner
    References
    URL Tags
    https://hackerone.com/reports/1361804 x_refsource_MISC
    Impacted products
    Vendor Product Version
    n/a https://github.com/fastify/fastify-static Affected: Affected >= v4.2.4, Fixed v4.4.1
    Show details on NVD website
    To clipboard 

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    CVE-2026-15074 (GCVE-0-2026-15074)

    Vulnerability from cvelistv5 – Published: 2026-07-23 03:01 – Updated: 2026-07-23 14:14
    VLAI
    Title
    @fastify/static vulnerable to route guard bypass via path traversal
    Summary
    @fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot segments before applying its own path-traversal guard, an unauthenticated attacker can bypass any route-scoped middleware and read files inside the static root that live under the guarded URL prefix. The bypass does not allow access outside the configured static root by itself, it defeats route-guard filtering only. The issue is patched in @fastify/static 10.1.1.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-23 14:14 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 0 , < 10.1.1 (semver)
    Unaffected: 10.1.1 (semver)
    		Create a notification for this product.
    Credits
    imssm99 mcollina UlisesGascon
    Show details on NVD website
    To clipboard 

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    CVE-2026-7120 (GCVE-0-2026-7120)

    Vulnerability from cvelistv5 – Published: 2026-07-23 02:48 – Updated: 2026-07-23 14:15
    VLAI
    Title
    @fastify/static vulnerable to Authorization Bypass via Non-Canonical URL Paths
    Summary
    @fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separators in the pathname used for file resolution. Versions up to and including 10.1.1 are affected. An unauthenticated attacker can bypass allowedPath restrictions by requesting equivalent non-canonical pathnames, causing files that were intended to be denied to be served anyway. The bypass does not allow access outside the configured static root by itself, it defeats path-based filtering only. The issue is patched in @fastify/static 10.1.2.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-23 14:15 UTC
    CWE
    • CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 0 , < 10.1.2 (semver)
    Unaffected: 10.1.2 (semver)
    		Create a notification for this product.
    Credits
    yuki-matsuhashi mcollina UlisesGascon
    Show details on NVD website
    To clipboard 

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    CVE-2026-6410 (GCVE-0-2026-6410)

    Vulnerability from cvelistv5 – Published: 2026-04-16 13:29 – Updated: 2026-04-16 14:19
    VLAI
    Title
    @fastify/static vulnerable to path traversal in directory listing
    Summary
    @fastify/static versions 8.0.0 through 9.1.0 allow path traversal when directory listing is enabled via the list option. The dirList.path() function resolves directories outside the configured static root using path.join() without a containment check. A remote unauthenticated attacker can obtain directory listings for arbitrary directories accessible to the Node.js process, disclosing directory and file names. File contents are not disclosed. Upgrade to @fastify/static 9.1.1 to fix this issue. As a workaround, disable directory listing by removing the list option from the plugin configuration.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-16 14:19 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 8.0.0 , < 9.1.1 (semver)
    Unaffected: 9.1.1 (semver)
    		Create a notification for this product.
    Credits
    yuki-matsuhashi mcollina UlisesGascon climba03003
    Show details on NVD website
    To clipboard 

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    CVE-2026-6414 (GCVE-0-2026-6414)

    Vulnerability from cvelistv5 – Published: 2026-04-16 13:09 – Updated: 2026-04-16 13:48
    VLAI
    Title
    @fastify/static vulnerable to route guard bypass via encoded path separators
    Summary
    @fastify/static versions 8.0.0 through 9.1.0 decode percent-encoded path separators (%2F) before filesystem resolution, while Fastify's router treats them as literal characters. This mismatch allows attackers to bypass route-based middleware or guards that protect files served by @fastify/static. For example, a route guard on a protected path can be circumvented by encoding the path separator in the URL. Upgrade to @fastify/static 9.1.1 to fix this issue. There are no workarounds.
    Severity
    5.9 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-04-16 13:48 UTC
    CWE
    • CWE-177 - Improper Handling of URL Encoding (Hex Encoding)
    Assigner
    References
    Impacted products
    Vendor Product Version
    @fastify/static @fastify/static Affected: 8.0.0 , < 9.1.1 (semver)
    Unaffected: 9.1.1 (semver)
    		Create a notification for this product.
    Credits
    blakeembrey mcollina UlisesGascon climba03003
    Show details on NVD website
    To clipboard 

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    CVE-2021-22963 (GCVE-0-2021-22963)

    Vulnerability from cvelistv5 – Published: 2021-10-14 14:50 – Updated: 2024-08-03 18:58
    VLAI
    Summary
    A redirect vulnerability in the fastify-static module version < 4.2.4 allows remote attackers to redirect users to arbitrary websites via a double slash // followed by a domain: http://localhost:3000//google.com/%2e%2e.The issue shows up on all the fastify-static applications that set redirect: true option. By default, it is false.
    Severity
    No CVSS data available.
    CWE
    • CWE-601 - Open Redirect (CWE-601)
    Assigner
    References
    URL Tags
    https://hackerone.com/reports/1354255 x_refsource_MISC
    Impacted products
    Vendor Product Version
    n/a https://github.com/fastify/fastify-static Affected: Affects < v4.2.4. Fixed in >= v4.2.4
    Show details on NVD website
    To clipboard 

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    CVE-2021-22964 (GCVE-0-2021-22964)

    Vulnerability from cvelistv5 – Published: 2021-10-14 14:50 – Updated: 2024-08-03 18:58
    VLAI
    Summary
    A redirect vulnerability in the `fastify-static` module version >= 4.2.4 and < 4.4.1 allows remote attackers to redirect Mozilla Firefox users to arbitrary websites via a double slash `//` followed by a domain: `http://localhost:3000//a//youtube.com/%2e%2e%2f%2e%2e`.A DOS vulnerability is possible if the URL contains invalid characters `curl --path-as-is "http://localhost:3000//^/.."`The issue shows up on all the `fastify-static` applications that set `redirect: true` option. By default, it is `false`.
    Severity
    No CVSS data available.
    CWE
    • CWE-400 - Denial of Service (CWE-400)
    Assigner
    References
    URL Tags
    https://hackerone.com/reports/1361804 x_refsource_MISC
    Impacted products
    Vendor Product Version
    n/a https://github.com/fastify/fastify-static Affected: Affected >= v4.2.4, Fixed v4.4.1
    Show details on NVD website
    To clipboard 

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              "value": "A redirect vulnerability in the `fastify-static` module version \u003e= 4.2.4 and \u003c 4.4.1 allows remote attackers to redirect Mozilla Firefox users to arbitrary websites via a double slash `//` followed by a domain: `http://localhost:3000//a//youtube.com/%2e%2e%2f%2e%2e`.A DOS vulnerability is possible if the URL contains invalid characters `curl --path-as-is \"http://localhost:3000//^/..\"`The issue shows up on all the `fastify-static` applications that set `redirect: true` option. By default, it is `false`."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service (CWE-400)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://hackerone.com/reports/1361804",
              "refsource": "MISC",
              "url": "https://hackerone.com/reports/1361804"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2021-22964",
    "datePublished": "2021-10-14T14:50:07.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:58:26.128Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}