Search criteria
36 vulnerabilities found for werkzeug by palletsprojects
FKIE_CVE-2025-66221
Vulnerability from fkie_nvd - Published: 2025-11-29 03:16 - Updated: 2025-12-03 15:27
Severity ?
Summary
Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been patched in version 3.1.4.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * | |
| microsoft | windows | - |
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FKIE_CVE-2024-49767
Vulnerability from fkie_nvd - Published: 2024-10-25 20:15 - Updated: 2025-01-03 12:15
Severity ?
Summary
Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` requests (e.g. all flask applications) are vulnerable to a relatively simple but effective resource exhaustion (denial of service) attack. A specifically crafted form submission request can cause the parser to allocate and block 3 to 8 times the upload size in main memory. There is no upper limit; a single upload at 1 Gbit/s can exhaust 32 GB of RAM in less than 60 seconds. Werkzeug version 3.0.6 fixes this issue.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | quart | * | |
| palletsprojects | werkzeug | * |
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FKIE_CVE-2024-49766
Vulnerability from fkie_nvd - Published: 2024-10-25 20:15 - Updated: 2025-12-03 15:29
Severity ?
Summary
Werkzeug is a Web Server Gateway Interface web application library. On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable. Werkzeug version 3.0.6 contains a patch.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * | |
| microsoft | windows | - |
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FKIE_CVE-2024-34069
Vulnerability from fkie_nvd - Published: 2024-05-06 15:15 - Updated: 2025-12-03 15:32
Severity ?
Summary
Werkzeug is a comprehensive WSGI web application library. The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the developer to interact with a domain and subdomain they control, and enter the debugger PIN, but if they are successful it allows access to the debugger even if it is only running on localhost. This also requires the attacker to guess a URL in the developer's application that will trigger the debugger. This vulnerability is fixed in 3.0.3.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * | |
| debian | debian_linux | 11.0 | |
| fedoraproject | fedora | 38 | |
| fedoraproject | fedora | 40 |
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},
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"impactScore": 5.9,
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"published": "2024-05-06T15:15:23.990",
"references": [
{
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"tags": [
"Patch"
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},
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H4SH32AM3CTPMAAEOIDAN7VU565LO4IR/"
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"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HFERFN7PINV4MOGMGA3DPIXJPDCYOEJZ/"
},
{
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"tags": [
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"url": "https://security.netapp.com/advisory/ntap-20240614-0004/"
},
{
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"tags": [
"Patch"
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{
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},
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"tags": [
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},
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},
{
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"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20240614-0004/"
}
],
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"vulnStatus": "Analyzed",
"weaknesses": [
{
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{
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"value": "CWE-352"
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],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
FKIE_CVE-2023-46136
Vulnerability from fkie_nvd - Published: 2023-10-25 18:17 - Updated: 2024-11-21 08:27
Severity ?
8.0 (High) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF and then is followed by megabytes of data without these characters: all of these bytes are appended chunk by chunk into internal bytearray and lookup for boundary is performed on growing buffer. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. This vulnerability has been patched in version 3.0.1.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * | |
| palletsprojects | werkzeug | 3.0.0 |
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},
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"value": "Werkzeug es una librer\u00eda completa de aplicaciones web WSGI. Si se carga un archivo que comienza con CR o LF y luego va seguido de megabytes de datos sin estos caracteres: todos estos bytes se agregan fragmento a fragmento en una matriz de bytes interna y la b\u00fasqueda de los l\u00edmites se realiza en un b\u00fafer en crecimiento. Esto permite a un atacante provocar una denegaci\u00f3n de servicio enviando datos multiparte manipulados a un endpoint que los analizar\u00e1. La cantidad de tiempo de CPU necesaria puede impedir que los procesos de trabajo manejen solicitudes leg\u00edtimas. Esta vulnerabilidad ha sido parcheada en la versi\u00f3n 3.0.1."
}
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"type": "Secondary"
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}
FKIE_CVE-2023-25577
Vulnerability from fkie_nvd - Published: 2023-02-14 20:15 - Updated: 2024-11-21 07:49
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. Parts can be a small amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * |
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}
],
"id": "CVE-2023-25577",
"lastModified": "2024-11-21T07:49:45.740",
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"published": "2023-02-14T20:15:17.543",
"references": [
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"url": "https://github.com/pallets/werkzeug/commit/517cac5a804e8c4dc4ed038bb20dacd038e7a9f1"
},
{
"source": "security-advisories@github.com",
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"url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
},
{
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"url": "https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323"
},
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"url": "https://security.netapp.com/advisory/ntap-20230818-0003/"
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"url": "https://www.debian.org/security/2023/dsa-5470"
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"url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
},
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"url": "https://github.com/pallets/werkzeug/security/advisories/GHSA-xg9f-g7g7-2323"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20230818-0003/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2023/dsa-5470"
}
],
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"vulnStatus": "Modified",
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}
FKIE_CVE-2023-23934
Vulnerability from fkie_nvd - Published: 2023-02-14 20:15 - Updated: 2024-11-21 07:47
Severity ?
2.6 (Low) - CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
3.5 (Low) - CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
3.5 (Low) - CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Summary
Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * |
{
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"versionEndExcluding": "2.2.3",
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"value": "Werkzeug is a comprehensive WSGI web application library. Browsers may allow \"nameless\" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3."
}
],
"id": "CVE-2023-23934",
"lastModified": "2024-11-21T07:47:07.947",
"metrics": {
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"published": "2023-02-14T20:15:17.370",
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{
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"Patch"
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"url": "https://github.com/pallets/werkzeug/commit/cf275f42acad1b5950c50ffe8ef58fe62cdce028"
},
{
"source": "security-advisories@github.com",
"tags": [
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"url": "https://github.com/pallets/werkzeug/releases/tag/2.2.3"
},
{
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],
"url": "https://github.com/pallets/werkzeug/security/advisories/GHSA-px8h-6qxv-m22q"
},
{
"source": "security-advisories@github.com",
"url": "https://security.netapp.com/advisory/ntap-20230818-0003/"
},
{
"source": "security-advisories@github.com",
"url": "https://www.debian.org/security/2023/dsa-5470"
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},
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"url": "https://security.netapp.com/advisory/ntap-20230818-0003/"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2023/dsa-5470"
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"vulnStatus": "Modified",
"weaknesses": [
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"type": "Secondary"
},
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{
"lang": "en",
"value": "NVD-CWE-noinfo"
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}
FKIE_CVE-2022-29361
Vulnerability from fkie_nvd - Published: 2022-05-25 01:15 - Updated: 2024-11-21 06:58
Severity ?
Summary
Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/pallets/werkzeug/commit/9a3a981d70d2e9ec3344b5192f86fcaf3210cd85 | Patch, Third Party Advisory | |
| cve@mitre.org | https://github.com/pallets/werkzeug/issues/2420 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/pallets/werkzeug/commit/9a3a981d70d2e9ec3344b5192f86fcaf3210cd85 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/pallets/werkzeug/issues/2420 | Issue Tracking, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * |
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FKIE_CVE-2020-28724
Vulnerability from fkie_nvd - Published: 2020-11-18 15:15 - Updated: 2024-11-21 05:23
Severity ?
Summary
Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/pallets/flask/issues/1639 | Exploit, Issue Tracking, Third Party Advisory | |
| cve@mitre.org | https://github.com/pallets/werkzeug/issues/822 | Issue Tracking, Third Party Advisory | |
| cve@mitre.org | https://github.com/pallets/werkzeug/pull/890/files | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/pallets/flask/issues/1639 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/pallets/werkzeug/issues/822 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/pallets/werkzeug/pull/890/files | Patch, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| palletsprojects | werkzeug | * |
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FKIE_CVE-2019-14806
Vulnerability from fkie_nvd - Published: 2019-08-09 15:15 - Updated: 2024-11-21 04:27
Severity ?
Summary
Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
References
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CVE-2025-66221 (GCVE-0-2025-66221)
Vulnerability from cvelistv5 – Published: 2025-11-29 02:28 – Updated: 2025-12-01 15:35
VLAI?
Title
Werkzeug safe_join() allows Windows special device names
Summary
Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been patched in version 3.1.4.
Severity ?
CWE
- CWE-67 - Improper Handling of Windows Device Names
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-49767 (GCVE-0-2024-49767)
Vulnerability from cvelistv5 – Published: 2024-10-25 19:41 – Updated: 2025-01-03 12:04
VLAI?
Title
Werkzeug possible resource exhaustion when parsing file data in forms
Summary
Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` requests (e.g. all flask applications) are vulnerable to a relatively simple but effective resource exhaustion (denial of service) attack. A specifically crafted form submission request can cause the parser to allocate and block 3 to 8 times the upload size in main memory. There is no upper limit; a single upload at 1 Gbit/s can exhaust 32 GB of RAM in less than 60 seconds. Werkzeug version 3.0.6 fixes this issue.
Severity ?
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-49766 (GCVE-0-2024-49766)
Vulnerability from cvelistv5 – Published: 2024-10-25 19:22 – Updated: 2025-01-31 15:02
VLAI?
Title
Werkzeug safe_join not safe on Windows
Summary
Werkzeug is a Web Server Gateway Interface web application library. On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable. Werkzeug version 3.0.6 contains a patch.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
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CVE-2024-34069 (GCVE-0-2024-34069)
Vulnerability from cvelistv5 – Published: 2024-05-06 14:44 – Updated: 2025-02-21 18:03
VLAI?
Title
Werkzeug's improper usage of a pathname and improper CSRF protection results in the remote command execution
Summary
Werkzeug is a comprehensive WSGI web application library. The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the developer to interact with a domain and subdomain they control, and enter the debugger PIN, but if they are successful it allows access to the debugger even if it is only running on localhost. This also requires the attacker to guess a URL in the developer's application that will trigger the debugger. This vulnerability is fixed in 3.0.3.
Severity ?
7.5 (High)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
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|---|---|---|
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CVE-2023-46136 (GCVE-0-2023-46136)
Vulnerability from cvelistv5 – Published: 2023-10-24 23:48 – Updated: 2025-02-13 17:14
VLAI?
Title
Werkzeug vulnerable to high resource usage when parsing multipart/form-data containing a large part with CR/LF character at the beginning
Summary
Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF and then is followed by megabytes of data without these characters: all of these bytes are appended chunk by chunk into internal bytearray and lookup for boundary is performed on growing buffer. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. This vulnerability has been patched in version 3.0.1.
Severity ?
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-25577 (GCVE-0-2023-25577)
Vulnerability from cvelistv5 – Published: 2023-02-14 19:56 – Updated: 2025-03-10 21:11
VLAI?
Title
Werkzeug may allow high resource usage when parsing multipart form data with many fields
Summary
Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. Parts can be a small amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |
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CVE-2023-23934 (GCVE-0-2023-23934)
Vulnerability from cvelistv5 – Published: 2023-02-14 19:56 – Updated: 2025-03-10 21:11
VLAI?
Title
Wrkzeug's incorrect parsing of nameless cookies leads to __Host- cookies bypass
Summary
Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3.
Severity ?
CWE
- CWE-20 - Improper Input Validation
Assigner
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CVE-2022-29361 (GCVE-0-2022-29361)
Vulnerability from cvelistv5 – Published: 2022-05-24 23:56 – Updated: 2024-08-03 06:17 Disputed
VLAI?
Summary
Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2020-28724 (GCVE-0-2020-28724)
Vulnerability from cvelistv5 – Published: 2020-11-18 14:26 – Updated: 2024-08-04 16:40
VLAI?
Summary
Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-14806 (GCVE-0-2019-14806)
Vulnerability from cvelistv5 – Published: 2019-08-09 14:29 – Updated: 2024-08-05 00:26
VLAI?
Summary
Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2025-66221 (GCVE-0-2025-66221)
Vulnerability from nvd – Published: 2025-11-29 02:28 – Updated: 2025-12-01 15:35
VLAI?
Title
Werkzeug safe_join() allows Windows special device names
Summary
Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safe_join function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been patched in version 3.1.4.
Severity ?
CWE
- CWE-67 - Improper Handling of Windows Device Names
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-49767 (GCVE-0-2024-49767)
Vulnerability from nvd – Published: 2024-10-25 19:41 – Updated: 2025-01-03 12:04
VLAI?
Title
Werkzeug possible resource exhaustion when parsing file data in forms
Summary
Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` requests (e.g. all flask applications) are vulnerable to a relatively simple but effective resource exhaustion (denial of service) attack. A specifically crafted form submission request can cause the parser to allocate and block 3 to 8 times the upload size in main memory. There is no upper limit; a single upload at 1 Gbit/s can exhaust 32 GB of RAM in less than 60 seconds. Werkzeug version 3.0.6 fixes this issue.
Severity ?
CWE
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-49766 (GCVE-0-2024-49766)
Vulnerability from nvd – Published: 2024-10-25 19:22 – Updated: 2025-01-31 15:02
VLAI?
Title
Werkzeug safe_join not safe on Windows
Summary
Werkzeug is a Web Server Gateway Interface web application library. On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable. Werkzeug version 3.0.6 contains a patch.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2024-34069 (GCVE-0-2024-34069)
Vulnerability from nvd – Published: 2024-05-06 14:44 – Updated: 2025-02-21 18:03
VLAI?
Title
Werkzeug's improper usage of a pathname and improper CSRF protection results in the remote command execution
Summary
Werkzeug is a comprehensive WSGI web application library. The debugger in affected versions of Werkzeug can allow an attacker to execute code on a developer's machine under some circumstances. This requires the attacker to get the developer to interact with a domain and subdomain they control, and enter the debugger PIN, but if they are successful it allows access to the debugger even if it is only running on localhost. This also requires the attacker to guess a URL in the developer's application that will trigger the debugger. This vulnerability is fixed in 3.0.3.
Severity ?
7.5 (High)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
| URL | Tags | |
|---|---|---|
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CVE-2023-46136 (GCVE-0-2023-46136)
Vulnerability from nvd – Published: 2023-10-24 23:48 – Updated: 2025-02-13 17:14
VLAI?
Title
Werkzeug vulnerable to high resource usage when parsing multipart/form-data containing a large part with CR/LF character at the beginning
Summary
Werkzeug is a comprehensive WSGI web application library. If an upload of a file that starts with CR or LF and then is followed by megabytes of data without these characters: all of these bytes are appended chunk by chunk into internal bytearray and lookup for boundary is performed on growing buffer. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. This vulnerability has been patched in version 3.0.1.
Severity ?
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2023-25577 (GCVE-0-2023-25577)
Vulnerability from nvd – Published: 2023-02-14 19:56 – Updated: 2025-03-10 21:11
VLAI?
Title
Werkzeug may allow high resource usage when parsing multipart form data with many fields
Summary
Werkzeug is a comprehensive WSGI web application library. Prior to version 2.2.3, Werkzeug's multipart form data parser will parse an unlimited number of parts, including file parts. Parts can be a small amount of bytes, but each requires CPU time to parse and may use more memory as Python data. If a request can be made to an endpoint that accesses `request.data`, `request.form`, `request.files`, or `request.get_data(parse_form_data=False)`, it can cause unexpectedly high resource usage. This allows an attacker to cause a denial of service by sending crafted multipart data to an endpoint that will parse it. The amount of CPU time required can block worker processes from handling legitimate requests. The amount of RAM required can trigger an out of memory kill of the process. Unlimited file parts can use up memory and file handles. If many concurrent requests are sent continuously, this can exhaust or kill all available workers. Version 2.2.3 contains a patch for this issue.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |
|---|---|---|
|
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CVE-2023-23934 (GCVE-0-2023-23934)
Vulnerability from nvd – Published: 2023-02-14 19:56 – Updated: 2025-03-10 21:11
VLAI?
Title
Wrkzeug's incorrect parsing of nameless cookies leads to __Host- cookies bypass
Summary
Werkzeug is a comprehensive WSGI web application library. Browsers may allow "nameless" cookies that look like `=value` instead of `key=value`. A vulnerable browser may allow a compromised application on an adjacent subdomain to exploit this to set a cookie like `=__Host-test=bad` for another subdomain. Werkzeug prior to 2.2.3 will parse the cookie `=__Host-test=bad` as __Host-test=bad`. If a Werkzeug application is running next to a vulnerable or malicious subdomain which sets such a cookie using a vulnerable browser, the Werkzeug application will see the bad cookie value but the valid cookie key. The issue is fixed in Werkzeug 2.2.3.
Severity ?
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | |
|---|---|---|
|
|
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CVE-2022-29361 (GCVE-0-2022-29361)
Vulnerability from nvd – Published: 2022-05-24 23:56 – Updated: 2024-08-03 06:17 Disputed
VLAI?
Summary
Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2020-28724 (GCVE-0-2020-28724)
Vulnerability from nvd – Published: 2020-11-18 14:26 – Updated: 2024-08-04 16:40
VLAI?
Summary
Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-14806 (GCVE-0-2019-14806)
Vulnerability from nvd – Published: 2019-08-09 14:29 – Updated: 2024-08-05 00:26
VLAI?
Summary
Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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