twine-6.2.0-py3-none-any.whl: 3 vulnerabilities (highest severity is: 8.6) #261
Description
Vulnerable Library - twine-6.2.0-py3-none-any.whl
Path to dependency file: /test_requirements.txt
Path to vulnerable library: /tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl
Vulnerabilities
| Vulnerability | Severity |  CVSS |
Exploit Maturity | EPSS | Dependency | Type | Fixed in (twine version) | Remediation Possible** | Reachability |
|---|---|---|---|---|---|---|---|---|---|
| CVE-2026-21441 |  High |
8.6 | Not Defined | urllib3-2.5.0-py3-none-any.whl | Transitive | N/A* | ❌ | ||
| CVE-2025-66471 | High |
8.6 | Not Defined | 0.0% | urllib3-2.5.0-py3-none-any.whl | Transitive | N/A* | ❌ | |
| CVE-2025-66418 | High |
8.6 | Not Defined | 0.0% | urllib3-2.5.0-py3-none-any.whl | Transitive | N/A* | ❌ |
*For some transitive vulnerabilities, there is no version of direct dependency with a fix. Check the "Details" section below to see if there is a version of transitive dependency where vulnerability is fixed.
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
CVE-2026-21441
Vulnerable Library - urllib3-2.5.0-py3-none-any.whl
HTTP library with thread-safe connection pooling, file post, and more.
Library home page: https://files.pythonhosted.org/packages/a7/c2/fe1e52489ae3122415c51f387e221dd0773709bad6c6cdaa599e8a2c5185/urllib3-2.5.0-py3-none-any.whl
Path to dependency file: /sample/HelloWorld/requirements.txt
Path to vulnerable library: /tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl
Dependency Hierarchy:
- twine-6.2.0-py3-none-any.whl (Root Library)
- ❌ urllib3-2.5.0-py3-none-any.whl (Vulnerable Library)
Found in base branch: main
Vulnerability Details
urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. urllib3 can perform decoding or decompression based on the HTTP "Content-Encoding" header (e.g., "gzip", "deflate", "br", or "zstd"). When using the streaming API, the library decompresses only the necessary bytes, enabling partial content consumption. Starting in version 1.22 and prior to version 2.6.3, for HTTP redirect responses, the library would read the entire response body to drain the connection and decompress the content unnecessarily. This decompression occurred even before any read methods were called, and configured read limits did not restrict the amount of decompressed data. As a result, there was no safeguard against decompression bombs. A malicious server could exploit this to trigger excessive resource consumption on the client. Applications and libraries are affected when they stream content from untrusted sources by setting "preload_content=False" when they do not disable redirects. Users should upgrade to at least urllib3 v2.6.3, in which the library does not decode content of redirect responses when "preload_content=False". If upgrading is not immediately possible, disable redirects by setting "redirect=False" for requests to untrusted source.
Publish Date: 2026-01-07
URL: CVE-2026-21441
Threat Assessment
Exploit Maturity: Not Defined
EPSS:
CVSS 3 Score Details (8.6)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Origin: GHSA-38jv-5279-wg99
Release Date: 2026-01-07
Fix Resolution: urllib3 - 2.6.3,https://github.com/urllib3/urllib3.git - 2.6.3,urllib3 - 2.6.3
CVE-2025-66471
Vulnerable Library - urllib3-2.5.0-py3-none-any.whl
HTTP library with thread-safe connection pooling, file post, and more.
Library home page: https://files.pythonhosted.org/packages/a7/c2/fe1e52489ae3122415c51f387e221dd0773709bad6c6cdaa599e8a2c5185/urllib3-2.5.0-py3-none-any.whl
Path to dependency file: /sample/HelloWorld/requirements.txt
Path to vulnerable library: /tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl
Dependency Hierarchy:
- twine-6.2.0-py3-none-any.whl (Root Library)
- ❌ urllib3-2.5.0-py3-none-any.whl (Vulnerable Library)
Found in base branch: main
Vulnerability Details
urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. When streaming a compressed response, urllib3 can perform decoding or decompression based on the HTTP Content-Encoding header (e.g., gzip, deflate, br, or zstd). The library must read compressed data from the network and decompress it until the requested chunk size is met. Any resulting decompressed data that exceeds the requested amount is held in an internal buffer for the next read operation. The decompression logic could cause urllib3 to fully decode a small amount of highly compressed data in a single operation. This can result in excessive resource consumption (high CPU usage and massive memory allocation for the decompressed data.
Publish Date: 2025-12-05
URL: CVE-2025-66471
Threat Assessment
Exploit Maturity: Not Defined
EPSS: 0.0%
CVSS 3 Score Details (8.6)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Origin: GHSA-2xpw-w6gg-jr37
Release Date: 2025-12-05
Fix Resolution: urllib3 - 2.6.0,https://github.com/urllib3/urllib3.git - 2.6.0
CVE-2025-66418
Vulnerable Library - urllib3-2.5.0-py3-none-any.whl
HTTP library with thread-safe connection pooling, file post, and more.
Library home page: https://files.pythonhosted.org/packages/a7/c2/fe1e52489ae3122415c51f387e221dd0773709bad6c6cdaa599e8a2c5185/urllib3-2.5.0-py3-none-any.whl
Path to dependency file: /sample/HelloWorld/requirements.txt
Path to vulnerable library: /tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl,/tmp/ws-ua_20250921182043_LPXROH/python_OMWQYE/20250921182044/urllib3-2.5.0-py3-none-any.whl
Dependency Hierarchy:
- twine-6.2.0-py3-none-any.whl (Root Library)
- ❌ urllib3-2.5.0-py3-none-any.whl (Vulnerable Library)
Found in base branch: main
Vulnerability Details
urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage and massive memory allocation for the decompressed data. This vulnerability is fixed in 2.6.0.
Publish Date: 2025-12-05
URL: CVE-2025-66418
Threat Assessment
Exploit Maturity: Not Defined
EPSS: 0.0%
CVSS 3 Score Details (8.6)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Release Date: 2025-12-05
Fix Resolution: https://github.com/urllib3/urllib3.git - 2.6.0,urllib3 - 2.6.0